text:
In order to improve viewing angle dependency of γ characteristics of a liquid crystal display device (e.g. prevent excess brightness etc. of a screen), there have been proposed liquid crystal display devices (based on a pixel-division system, see Patent Literature 1 for example) for controlling a plurality of sub-pixels in one pixel so that the plurality of sub-pixels have different luminances and displaying a halftone by area coverage modulation of these sub-pixels.
FIG. 49 is a schematic view showing an example of a pixel structure of a liquid crystal display device 1000 of Patent Literature 1. The liquid crystal display device 1000 includes a scanning signal line 1002 and a data signal line 1003 that are provided on a glass substrate 1001 and a pixel 1004 provided in the vicinity of an intersection of the two signal lines. The pixel 1004 consists of two sub-pixels 1005a and 1005b. The two sub-pixels 1005a and 1005b include transistors 1006a and 1006b and pixel electrodes 1007a and 1007b connected with the transistors 1006a and 1006b, respectively, and the pixel electrodes 1007a and 1007b form capacitors (retention capacitors 1009a and 1009b) with retention capacitor lines 1008a and 1008b, respectively. Although not shown, the pixel electrodes 1007a and 1007b are designed such that a liquid crystal material (liquid crystal layer) is sandwiched between the glass substrate 1001 and a common electrode (counter electrode) on a surface of a substrate (color filter substrate).
FIG. 50 is a drawing showing an electrically equivalent circuit corresponding to the pixel structure shown in FIG. 49 of the liquid crystal display device 1000. The pixel electrodes 1007a and 1007b shown in FIG. 49 correspond to points 1010a and 1010b shown in FIG. 50, respectively, and form liquid crystal capacitors 1012a and 1012b, respectively, with a common electrode 1011.
In the above configuration, different signals are supplied to the retention capacitor lines 1008a and 1008b, respectively. This allows differentiating potentials (pixel potentials) of the pixel electrodes 1007a and 1007b from each other.

textbook:
Lesson: Liquid Crystal Display Devices

Introduction:
Liquid crystal display (LCD) devices are widely used in electronic devices such as smartphones, laptops, and televisions. They are known for their ability to display high-quality images and videos with low power consumption. In this lesson, we will learn about the basic structure of LCD devices, their working principles, and their applications.

Section 1: Basic Structure of LCD Devices

1.1. Glass Substrate
The basic structure of an LCD device starts with a glass substrate. This is the foundation of the device, and it is coated with a transparent conductive material such as indium tin oxide (ITO). The ITO layer allows the passage of electric current and acts as an electrode.

1.2. Color Filters
On top of the glass substrate, there are color filters. These filters are responsible for producing the colors that we see on the screen. There are three color filters - red, green, and blue (RGB). The combination of these colors produces a wide range of colors.

1.3. Polarizers
Polarizers are thin films that are placed on top of the color filters. They are designed to allow light waves of a specific polarization to pass through while blocking others. This helps to enhance the contrast and brightness of the image displayed on the screen.

1.4. Liquid Crystal Layer
The liquid crystal layer is the most important part of the LCD device. It consists of a mixture of liquid crystals and other chemicals. The liquid crystals have unique properties that allow them to change their orientation when an electric field is applied. This change in orientation affects the amount of light that passes through the polarizers, resulting in different levels of brightness and contrast.

Section 2: Working Principles of LCD Devices

2.1. Electro-Optical Effect
The working principle of LCD devices is based on the electro-optical effect. When an electric field is applied to the liquid crystal layer, the orientation of the liquid crystals changes. This change in orientation affects the amount of light that passes through the polarizers, resulting in different levels of brightness and contrast.

2.2. Addressing Modes
To control the liquid crystals, LCD devices use two addressing modes - passive matrix and active matrix. In passive matrix devices, the row and column electrodes are connected to each other through a common electrode. In active matrix devices, each pixel has its own transistor and capacitor, which allow for better control of the liquid crystals.

Section 3: Applications of LCD Devices

3.1. Televisions
LCD televisions are widely used in homes and offices. They offer high-quality images and videos with low power consumption.

3.2. Computer Monitors
LCD monitors are commonly used in computers. They offer high resolution and brightness, making them ideal for office work and gaming.

3.3. Smartphones and Tablets
LCD screens are used in smartphones and tablets to display information and images. They offer high resolution and low power consumption, making them ideal for portable devices.

Conclusion:
LCD devices are essential components of modern electronic devices. They offer high-quality images and videos with low power consumption. By understanding the basic structure and working principles of LCD devices, we can appreciate their importance and applications in various fields.


text: Kyle Bornheimer has admitted that it took him a long time to become a successful actor.. The Romantically Challenged star explained that he slowly worked his way up with a number of bit parts.. "It was a very, very slow burn," he told The TV Addict. "I was out in LA for ten years before anyone paid me anything that I was wanting to do.". However, Bornheimer explained that having such small roles was a learning experience.. "I don't think I would change anything about the way things work out," he said.  of how quickly everything can be taken away.". Bornheimer also revealed that he is excited about Romantically Challenged.. "Romantically Challenged is an amazing experience," he said. "And I think the show is going to surprise a lot of people who maybe haven't watched sitcoms in a while or are watching sitcoms and want something a little more fresh.". Romantically Challenged continues Mondays at 9.30/8.30c on ABC.

source: refinedweb

textbook:
Lesson: The Importance of Perseverance in Achieving Success
Introduction:
In this lesson, we will learn about the importance of perseverance in achieving success. We will explore how even the most successful people had to work hard and overcome challenges to reach their goals. We will also discuss how having a growth mindset and being open to learning from our mistakes can help us achieve success.
Section 1: The Importance of Perseverance
Question: What does it mean to persevere?
Answer: To persevere means to keep going even when things get tough. It means having the determination and commitment to achieve your goals despite obstacles and setbacks.
Question: Why is perseverance important in achieving success?
Answer: Perseverance is important because it helps us overcome challenges and setbacks that we may encounter on the path to success. It also helps us develop resilience and the ability to bounce back from failures.
Section 2: Examples of Perseverance
Question: Can you give an example of someone who persevered to achieve success?
Answer: One example of someone who persevered to achieve success is Kyle Bornheimer. Despite having small roles for ten years, he never gave up and continued to work hard until he finally got the opportunity to star in Romantically Challenged.
Question: How did Kyle Bornheimer demonstrate perseverance?
Answer: Kyle Bornheimer demonstrated perseverance by continuing to work hard and take small roles even though they were not what he wanted. He also learned from his experiences and used them to improve his craft.
Section 3: Developing a Growth Mindset
Question: What is a growth mindset?
Answer: A growth mindset is the belief that intelligence and abilities can be developed and improved over time. It involves being open to learning from mistakes and seeing failure as an opportunity for growth.
Question: Why is having a growth mindset important in achieving success?
Answer: Having a growth mindset is important because it helps us develop the resilience and determination needed to overcome challenges and setbacks. It also helps us see failure as an opportunity for growth rather than a reason to give up.
Conclusion:
In conclusion, perseverance is an essential skill for achieving success. By demonstrating determination and commitment, even in the face of obstacles and setbacks, we can achieve our goals. Additionally, having a growth mindset and being open to learning from our mistakes can help us develop resilience and improve our abilities. Remember, even the most successful people had to work hard and overcome challenges to reach their goals.


text: USG Corporation Recognized For Exemplary Workplace Practices. USG Corporation (NYSE: USG), a leading building products company, has been honored with the 2013 Alfred P. Sloan Award for Excellence in Workplace Effectiveness and Flexibility for its use of flexibility as a workplace strategy to increase business and employee success.. This prestigious award, part of the national When Work Works project administered by Families and Work Institute (FWI) and the Society for Human Resource Management (SHRM), recognizes employers of all sizes and types.. “We are proud to receive this recognition for our workplace practices,” said James S. Metcalf, Chairman, President and CEO. “We are committed to making USG a great place to work and maintaining a workplace where employees can build a quality work-life balance.”, USG Corporation

textbook:
Lesson: Work-Life Balance and Its Importance

Introduction:
In today's fast-paced world, achieving a balance between work and personal life is essential for maintaining physical, emotional, and mental well-being. Employers who recognize the importance of work-life balance and implement policies that support it can reap significant benefits, including increased productivity, reduced turnover, and improved recruitment efforts. In this lesson, we will explore the concept of work-life balance, its importance, and ways to achieve it.

Section 1: What is Work-Life Balance?
Work-life balance refers to the equilibrium an individual establishes between their personal life and professional responsibilities. Achieving a healthy balance between these two aspects of life helps individuals maintain their overall well-being, reduces stress, and prevents burnout.

Activity: Discuss with students the importance of work-life balance in their lives. Ask them to share examples of how they manage their time between work and personal life.

Section 2: Why is Work-Life Balance Important?
Achieving work-life balance is crucial for several reasons:

1. Improved Health: Maintaining a balance between work and personal life helps reduce stress, anxiety, and depression, which are common among individuals who struggle to juggle their professional and personal responsibilities.

2. Increased Productivity: When employees have a healthy work-life balance, they are more focused and productive at work, leading to higher job satisfaction and performance.

3. Stronger Relationships: A balanced lifestyle allows individuals to spend quality time with family and friends, strengthening relationships and fostering a sense of belonging.

4. Better Mental Health: A healthy work-life balance contributes to better mental health, reducing the risk of developing mental health issues such as anxiety and depression.

Activity: Ask students to reflect on their own experiences and discuss how a lack of work-life balance might affect their physical and mental well-being.

Section 3: Ways to Achieve Work-Life Balance
Employers can create an environment that supports work-life balance by implementing policies such as flexible work arrangements, paid time off, and telecommuting options. Individuals can also take steps to achieve a healthy work-life balance:

1. Set Boundaries: Establish clear boundaries between work and personal life, such as not checking work emails during non-work hours or avoiding long working hours.

2. Prioritize Self-Care: Make time for activities that promote physical, emotional, and mental well-being, such as exercise, meditation, or spending time with loved ones.

3. Learn to Delegate: Share responsibilities with others when possible, whether at work or home, to reduce stress and maintain a balanced lifestyle.

Activity: Have students brainstorm ways they can achieve work-life balance in their own lives, considering factors such as their current job demands, family obligations, and personal interests.

Conclusion:
Work-life balance is essential for maintaining physical, emotional, and mental well-being. Employers who recognize the importance of work-life balance and implement policies that support it can reap significant benefits. Individuals can also take steps to achieve a healthy work-life balance by setting boundaries, prioritizing self-care, and learning to delegate responsibilities. By applying these strategies, individuals can improve their overall quality of life and perform better in both their personal and professional roles.

Glossary:
- Work-Life Balance: The equilibrium an individual establishes between their personal life and professional responsibilities.
- Flexible Work Arrangements: Policies that allow employees to adjust their work schedules to accommodate personal needs, such as telecommuting or flexible hours.
- Paid Time Off: Time off from work that is compensated, usually in the form of vacation days, sick days, or personal days.
- Telecommuting: Working from home or a remote location using technology to communicate with colleagues and complete tasks.


text: Rap music is NOT NEGATIVE.. Rap music is basically the kind of music that mainly focuses on social awareness, celebrating warfare and gangs. The listeners are usually the youth and have a great fan base.. Generally, the media focuses on portraying rap music as unfavorable. Still, the fact is that it represents awareness for the youth and the life stories of how one has become successful standing on his own feet. Rap music is entertainment; it should not be treated differently than other entertainments. Rap music is sometimes used as a form of therapy within the social work field.. Be the first to comment

textbook:
Lesson: Introduction to Rap Music

## Section 1: Theoretical Concepts
Rap music, also known as hip hop or hip-hop, is a genre of popular music that originated in African American communities in the United States. It is characterized by its use of rhythmic speech, often delivered over a beat or instrumental track. Rap music has been a significant cultural phenomenon since its inception in the 1970s, and it continues to be one of the most popular genres of music today.

## Section 2: Practical Examples
Rap music often addresses social issues such as poverty, crime, and racism. It also celebrates the achievements of individuals who have overcome these challenges and made something of themselves. For example, in the song "Gangsta's Paradise" by Coolio, the artist raps about growing up in a tough neighborhood and the difficulties he faced. However, he also talks about how he has managed to succeed despite these obstacles.

Another example is the song "The Message" by Grandmaster Flash and the Furious Five. This song addresses the harsh realities of living in the inner city and the challenges that come with it. The lyrics paint a vivid picture of the struggles faced by people in these communities, but they also offer hope and encouragement to those who are struggling.

## Section 3: Self-Debating Discussions
One of the most important aspects of rap music is its ability to spark conversations and debates about important issues. For example, some people argue that rap music glorifies violence and promotes negative behavior. Others believe that it is a form of artistic expression that allows people to express their feelings and experiences.

What do you think? Do you believe that rap music is negative, or do you think it has a positive impact on society? Why?

## Glossary
- Rhyming: The use of words that have the same sound at the end of each line of verse
- Beat: A repeated rhythm or pattern that serves as the foundation for a song
- Instrumental Track: A recording of musical instruments playing without vocals
- Genre: A category of music that has certain characteristics and is often associated with a particular style or sound
- Hip Hop: A subculture that originated in African American communities in the United States, characterized by breakdancing, graffiti art, and rap music
- Rhythmic Speech: A style of delivery that emphasizes the rhythm and cadence of the words rather than the melody

## Conclusion
Rap music is a powerful form of entertainment that has had a significant impact on society. It allows artists to express their experiences and emotions in a unique and creative way, while also addressing important social issues. By understanding the history and meaning behind rap music, we can appreciate its importance and relevance in our lives today.


text: Olive + Oak open knit cardi – m.marie. Vince Camuto leather “Colby” bag – Hautelook. La Mer Collections leather wrap watch. My friend, Meghan, recently celebrated the fifth anniversary of her boutique, m.marie. She had a big open house a few weeks ago, and I scooped up this Olive + Oak cocoon sweater. It called to me from the rack: big chunky knit, neutral color, long enough to cover my butt in leggings; checkity-check-check. When I tried it on and got the nod of approval from my girl, Lisa, it was a done deal.. Now I’m thinking I need a couple more open knit cocoon sweaters to get me through fall and winter; they’re kinda like wrapping yourself in your favorite throw blanket, and I’m alllll about it.

textbook:
Lesson: How to Write a Product Review

Introduction:
Writing a product review is an essential skill that can help you share your thoughts and opinions about a product or service with others. In this lesson, we will learn how to write a product review by analyzing a sample review.

Section 1: Understanding the Review
The review we will analyze is about a cocoon sweater from Olive + Oak. The reviewer, Meghan, bought the sweater from her boutique, m.marie, and has been wearing it for a while. She likes the chunky knit, neutral color, and long length, which covers her butt in leggings. Her friend, Lisa, also approved of the sweater.

Questions:
- What is a cocoon sweater?
- What is a boutique?
- What does "chunky knit" mean?
- Why does the reviewer like the long length of the sweater?

Section 2: Analyzing the Review
The reviewer starts the review by stating that the sweater is from her boutique, m.marie, and that she had a big open house a few weeks ago. She then describes the features of the sweater that she likes, such as the chunky knit, neutral color, and long length. She also mentions that her friend, Lisa, approved of the sweater.

Questions:
- What are some features of the sweater that the reviewer likes?
- Who is the target audience for this review?
- What is the purpose of the review?

Section 3: Practical Examples
Let's say you want to write a review for a new pair of running shoes you just bought. You could start by describing the features you like, such as the lightweight material, cushioning, and support. You could also mention how comfortable they are and how they have improved your running experience. Additionally, you could mention that your friend, who is also a runner, recommended them to you.

Questions:
- How would you describe the features of the running shoes you like?
- Who would you recommend the shoes to?
- What improvements have you noticed in your running experience since using the shoes?

Conclusion:
Writing a product review is an essential skill that can help you share your thoughts and opinions about a product or service with others. By analyzing a sample review, we learned how to write a product review by describing the features we like, mentioning who approved of the product, and providing practical examples. We also learned how to ask questions and analyze a review to understand its purpose and target audience. By applying these concepts, we can write product reviews that are informative and helpful to others.


text: Alicia is a professional actress and drama teacher. She currently teaches drama in primary schools in Dublin, has run summer camps in Dublin – summer 2017 and worked for Innovations summer camp 2016 (which she happily attended in her teenage years!) as a drama teacher. She also works as a children’s events entertainer.. In 2016, Alicia toured with the Abbey theatre in education performing a one woman show and conducting workshops to commemorate the 1916 Easter Rising.. She studied for three years in theatre performance at Bull Alley theatre training college, where she learned her skills in performance, stage craft and facilitation.

textbook:
Lesson Title: Becoming a Successful Drama Teacher

Introduction:
In this lesson, we will learn about the journey of becoming a successful drama teacher. We will explore the qualifications, experiences, and skills required to teach drama in primary schools.

Section 1: Qualifications and Experiences

Topic 1: Education
- What are the necessary qualifications to become a drama teacher?
- How long does it take to complete a drama education program?
- What subjects should you study to become a better drama teacher?

Topic 2: Work Experience
- What kind of work experience is required to become a drama teacher?
- Can you work as a drama teacher without formal qualifications?
- How can you gain experience in the field?

Example: Alicia studied for three years in theatre performance at Bull Alley theatre training college, where she learned her skills in performance, stage craft, and facilitation.

Section 2: Skills Required

Topic 1: Performance Skills
- What are the performance skills required to teach drama?
- How can you improve your performance skills?
- What are some common mistakes made by beginner performers?

Topic 2: Stage Craft
- What is stage craft, and why is it important in drama teaching?
- How can you teach stage craft to primary school students?
- What are some common mistakes made by beginner stage craft practitioners?

Example: Alicia toured with the Abbey theatre in education performing a one-woman show and conducting workshops to commemorate the 1916 Easter Rising.

Section 3: Teaching Strategies

Topic 1: Classroom Management
- How do you manage a drama class effectively?
- What are some common challenges faced by drama teachers?
- How can you create a safe and inclusive learning environment?

Topic 2: Lesson Planning
- What should you consider when planning a drama lesson?
- How do you cater to different learning styles?
- What are some common mistakes made when planning drama lessons?

Example: Alicia currently teaches drama in primary schools in Dublin, has run summer camps in Dublin – summer 2017, and worked for Innovations summer camp 2016.

Conclusion:
Becoming a successful drama teacher requires dedication, hard work, and a passion for both drama and education. By following the steps outlined in this lesson, you can develop the necessary qualifications, experiences, and skills required to teach drama in primary schools. Remember to always continue learning and improving your craft to become the best drama teacher you can be.

Glossary:
- Qualifications: Educational credentials that demonstrate a person's knowledge and ability in a particular field.
- Experience: Practical knowledge or skill acquired over time or as a result of practice or observation.
- Performance Skills: The ability to perform tasks, actions, or movements with ease and expertise.
- Stage Craft: The technical aspects of theatre production, including set design, lighting, and sound.
- Classroom Management: The ability to create a positive learning environment and maintain student discipline.
- Lesson Planning: The process of creating a structured plan for teaching a specific topic or subject.

[1] "Drama Teacher Education Requirements." Study.com, www.study.com/articles/Drama_Teacher_Education_Requirements.html. Accessed 20 May 2021.


text:
He Yousheng

He Yousheng (; 28 July 1931 – 17 January 2018) was a Chinese hydrodynamicist and mechanical engineer. He was a professor of Shanghai Jiao Tong University and served as its party secretary from 1986 to 1992. A pioneer of shipbuilding theory in China, he was elected an academician of the Chinese Academy of Engineering.

Biography
He Yousheng was born on 28 July 1931 in Ningbo, Zhejiang, Republic of China. In 1952, he graduated from Tongji University in Shanghai with a bachelor's degree in shipbuilding, and pursued graduate studies in mechanics at Tsinghua University in Beijing, starting in 1957.

He taught as an assistant professor at the Dalian University of Technology before moving to Shanghai Jiao Tong University (SJTU), where he spent most of his career. He was later promoted to lecturer, associate professor, and eventually professor. He served as Communist Party Secretary of SJTU from 1986 to 1992.

He published over 100 scientific papers. His research was focused on naval hydrodynamics, specifically propeller vibration resistance, and estuary hydrodynamics. His research has been widely used in the Chinese shipbuilding industry and in the design of shipping channels of the Yangtze River estuary. He also studied the high-speed hydrodynamics of torpedoes and missiles.

He won the State Science and Technology Progress Award (Second Class) and more than ten national and provincial awards. He was elected an academician of the Chinese Academy of Engineering in 1995, and of Academia Europaea in 2002.

On 17 January 2018, He died at Zhongshan Hospital in Shanghai, at the age of 86.

References

Category:1931 births
Category:2018 deaths
Category:Chinese mechanical engineers
Category:Dalian University of Technology faculty
Category:Educators from Ningbo
Category:Engineers from Zhejiang
Category:Members of the Chinese Academy of Engineering
Category:Naval architects
Category:Physicists from Jiangsu
Category:Scientists from Ningbo
Category:Shanghai Jiao Tong University faculty
Category:Tongji University alumni
Category:Tsinghua University alumni

source: minipile

textbook:
Lesson: Introduction to Hydrodynamics

Hydrodynamics is the study of the motion of fluids, including liquids and gases. It is an essential branch of physics that has numerous applications in engineering, medicine, and other fields. In this lesson, we will introduce the basic principles of hydrodynamics and explore some of its practical applications.

**Section 1: Basic Principles**

Hydrodynamics is based on several fundamental principles, including the conservation of mass, momentum, and energy. These principles are derived from Newton's laws of motion and are applied to fluids in motion.

1. Conservation of Mass: The mass of a fluid remains constant unless there is a change in its volume or the fluid gains or loses mass due to external forces. This principle is represented by the equation:

  ρ = ρ₀

where ρ is the density of the fluid at any point in time, and ρ₀ is the initial density.

2. Conservation of Momentum: The momentum of a fluid remains constant unless there is a change in its velocity or the fluid gains or loses momentum due to external forces. This principle is represented by the equation:

  ρv = ρ₀v₀

where ρ is the density of the fluid at any point in time, v is its velocity, ρ₀ is the initial density, and v₀ is the initial velocity.

3. Conservation of Energy: The energy of a fluid remains constant unless there is a change in its temperature, pressure, or the fluid gains or loses energy due to external forces. This principle is represented by the equation:

  ρ(E + P) = ρ₀(E₀ + P₀)

where ρ is the density of the fluid at any point in time, E is its internal energy, P is its pressure, ρ₀ is the initial density, E₀ is the initial internal energy, and P₀ is the initial pressure.

**Section 2: Applications**

Hydrodynamics has numerous practical applications in various fields, including engineering, medicine, and environmental science. Some examples include:

1. Fluid Mechanics: Hydrodynamics is used to design and analyze various machines and systems that involve fluids, such as pumps, turbines, and engines.

2. Medicine: Hydrodynamics is used to understand blood flow and develop medical devices, such as artificial hearts and dialysis machines.

3. Environmental Science: Hydrodynamics is used to study water currents and predict the behavior of pollutants in rivers, lakes, and oceans.

**Section 3: Practice Problems**

1. A fluid has an initial density of 1000 kg/m³ and a velocity of 10 m/s. If its density increases to 1200 kg/m³, what is its new velocity?

   To solve this problem, we can use the conservation of momentum equation:

   ρv = ρ₀v₀
    1200v = 1000 * 10
    v = 20 m/s

2. A fluid has an initial temperature of 300 K and a pressure of 1000 Pa. If its pressure increases to 2000 Pa, what is its new temperature?

   To solve this problem, we can use the conservation of energy equation:

   ρ(E + P) = ρ₀(E₀ + P₀)
    P = 2000 - 1000 = 1000 Pa
    E = 300 + 1000 = 1300 J/kg
    P = 2000 - 1000 = 1000 Pa
    E + P = 1300 + 1000 = 2300 J/kg

    E = 2300 - 1000 - 1000 = 300 J/kg

    T = (E + P) / (C_v * P) = (300 + 1000) / (1000 * 1) = 1300 K

**Glossary**

- Density (ρ): The mass per unit volume of a fluid.
- Pressure (P): The force exerted by a fluid on a surface.
- Temperature (T): The measure of the average kinetic energy of particles in a fluid.
- Specific heat capacity at constant volume (C_v): The amount of heat required to raise the temperature of a fluid by 1°C without changing its volume.

**Conclusion**

In this lesson, we introduced the basic principles of hydrodynamics and explored some of its practical applications. By understanding these principles, we can better appreciate their importance in various fields and develop innovative solutions to real-world problems.


text: 12. Aug. 3 Tips In Choosing Outdoor Rugs. - By: Outrageous Rugs. - Tags: outdoor rugs, patio rugs, porch rugs, rug cleaning tips, rugs for the patio. - Category: Blog. Ancient rugs can instantly uplift the style of any room in your house or place of work. Today's generation of homemakers has it easier than past decades, because they can just browse online for rug options that will fit practically any kind of room. Although there's bound to be a perfect rug for your indoor space, choosing a rug for the outdoors involves different factors that may affect your decision.…Read more →

textbook:
Lesson: How to Choose Outdoor Rugs
Introduction:
Outdoor rugs are an essential part of any outdoor living space. They provide comfort, style, and functionality to your patio, deck, or porch. However, choosing the right outdoor rug can be a daunting task, especially if you don't know what to look for. In this lesson, we will explore three tips for choosing the perfect outdoor rug for your space.
Tip 1: Material
The first thing you need to consider when choosing an outdoor rug is the material. Outdoor rugs are made from different materials such as polypropylene, polyester, and acrylic. These materials have different properties that affect the durability, comfort, and appearance of the rug. For instance, polypropylene is a durable material that is resistant to fading, mildew, and stains. On the other hand, acrylic is a soft and comfortable material that is perfect for outdoor spaces where people sit and relax. Therefore, it is essential to choose a material that suits your needs and budget.
Tip 2: Size
The size of the outdoor rug is another crucial factor to consider. The rug should be large enough to cover the entire area of your patio or deck without leaving any gaps. This will create a cohesive and seamless look. However, the rug should not be too large, as it may make the space feel cluttered and overwhelming. It is essential to measure the area before purchasing the rug to ensure that it fits perfectly.
Tip 3: Style
Finally, the style of the outdoor rug is another factor to consider. Outdoor rugs come in different styles such as floral, geometric, and abstract. The style you choose will depend on your personal taste and the overall design of your outdoor space. For instance, if you have a rustic outdoor space, a floral rug may not be the best choice. Instead, a geometric or abstract rug would be a better option.
Conclusion:
In conclusion, choosing an outdoor rug can be a fun and exciting process. However, it is essential to consider the material, size, and style of the rug to ensure that it fits perfectly in your outdoor space. By following these three tips, you can find the perfect rug that will add comfort, style, and functionality to your patio, deck, or porch.


text:
For millennia, humans have gazed up at the night sky as an act of transcendence. It has long been a natural instinct to peer up into the unknown, pondering how we got here, and what more there is out there. Seeing stars sprayed across the black canvas above has always induced vertigo of cosmic proportions.

Western astronomy found its beginnings in ancient Mesopotamia – the birthplace of civilisation – where Sumerians looked at constellations as if they were cathedrals, turning to the structures of the night sky for religious guidance and spiritual ecstasy. The practice was passed on to the Babylonians and Assyrians, who later occupied the region and evolved primitive astronomy into something a little more representative of science.

Over the years, however, a significant rise in artificial lighting has meant the once routinely seen light of the stars and planets has been dimmed down. Lampposts, car headlamps, billboards – all of these contribute to light pollution. Estimations place a third of the global population in regions where the Milky Way galaxy can’t be seen, making it increasingly difficult for curious-minded individuals to ask the same questions of space as civilisations past.

A common measure of the night sky's darkness is the Bortle Scale – a nine-stage scale grading the brightness of the skies. A nine on the scale indicates inner-city glow – a sky far too bright to spot the stars. A one, on the other hand, means conditions are as good as they can be to see the cosmos. Most westerners live under skies of grade six or seven.

Filmmaker Sriram Murali depicts the dramatic contrast between the two ends of the Bortle Scale using timelapse, travelling to eight different locations in North America to show us “what we lose when we can’t see the stars”:

The burgeoning interest in astronomy has meant the issue of light pollution has become a crucial one. Nasa announcements on the discovery of new exoplanets – planets beyond our Solar System that could potentially harbour life – seem to be an almost weekly occurrence. As the search for life in the Milky Way heats up, the brightening of the skies is obscuring the view for all those in city areas who are curious to know what lies beyond.

To combat light pollution amateur astronomers take to city streets to give passersby the chance to see what populates the night sky, how far away certain planets are, and how long it takes for their light to reach us.

In a video for the New Yorker, astronomer Joe Delfausse ruminates on why he takes to the streets of a city like New York, telescope in hand. “I like to take my telescope to places where people are, and show them the heavens, and let them commune with nature,” he explains. It takes time for light to travel from space, and so looking through telescopes gives people the chance to look into the past.

The development of LED lights, cost-effective, energy saving, brighter alternatives to regular light bulbs, has meant that they have been widely adopted. The issue in the rise of their use, however, is that around half the light projected from these bulbs is wasted, glaring up towards the sky unnecessarily.

Satellite images over the most populous regions of the world have photographically documented the raging glow of LED lights, highlighting a significant brightness over their tungsten counterparts. Many argue that the change to LED lighting has been a necessary one in order to ensure energy expenditure is minimised, while maximising the efficiency of the tools and energy we use.

The push for LED lighting is scientifically grounded, and anything which gives society a chance to preserve energy in a world where burning fossil fuels damage the climate and run the risk of being depleted, should rapidly be adopted. If there is, however, a way of doing this while clearing the night skies, it should take priority. Circadian rhythms can be disrupted, and nocturnal animals may find night brightness causing unnatural changes to their sleeping patterns and habitats.

In a world stifled with political anxieties and economic inequality, torn in regions by oppressive regimes, the chance to see the Milky Way once again, as previous civilisations have always done, may renew an age-old solution to tackling our most pressing issues. In his Meditations, Roman emperor Marcus Aurelius said, “Dwell on the beauty of life. Watch the stars, and see yourself running with them.”

The detriments of light pollution are severely underestimated. But if dealt with, humanity could find its Freudian ego dissolved, its insignificance in the face of the universe’s infinitude understood, and a forgotten unity rediscovered by standing under the stars.

textbook:
Lesson: Introduction to Astronomy

**Objective:** To introduce students to the basics of astronomy, including its history, the importance of observing the night sky, and the effects of light pollution on our ability to see the stars.

**Grade Level:** Primary through High School

**Section 1: History of Astronomy**

Astronomy is one of the oldest sciences, with its roots dating back to ancient civilizations such as Mesopotamia, Egypt, and Greece. For thousands of years, people have observed the night sky and made connections between celestial events and their lives on Earth.

**Theory:** Early astronomers used their observations of the stars and planets to create calendars, predict weather patterns, and determine the best times for planting and harvesting crops. They also believed that the movements of the stars and planets were connected to the gods and their actions on Earth.

**Practice:** Create a timeline of important events in the history of astronomy, starting with the early civilizations that first observed the night sky and ending with modern-day discoveries about the universe.

**Questions and Answers:**

1. What was the purpose of early astronomy?
Answer: Early astronomy was used to predict weather patterns, create calendars, and determine the best times for planting and harvesting crops.

2. How did early civilizations view the night sky?
Answer: Early civilizations saw the night sky as a way to connect with the gods and understand their actions on Earth.

3. Who were some important astronomers in history?
Answer: Some important astronomers include Galileo, Copernicus, Kepler, and Newton.

**Section 2: Observing the Night Sky**

Observing the night sky is an important part of astronomy because it allows us to see the beauty and wonder of the universe. However, as cities have grown and more artificial light has been created, it has become harder to see the stars.

**Theory:** Light pollution is a problem that affects our ability to see the stars and planets. It occurs when artificial light from sources such as streetlights, cars, and buildings makes it difficult to see the night sky.

**Practice:** Go outside on a clear night and try to find the North Star. Use a map of the constellations to identify the different shapes and names of the stars.

**Questions and Answers:**

1. Why is observing the night sky important?
Answer: Observing the night sky allows us to see the beauty and wonder of the universe.

2. What is light pollution?
Answer: Light pollution is the excessive and unnecessary use of artificial light that makes it difficult to see the night sky.

3. How does light pollution affect our ability to see the stars?
Answer: Light pollution makes it harder to see the stars by creating a glow in the sky that washes out the fainter stars and makes them harder to see.

**Section 3: Effects of Light Pollution**

Light pollution is a problem that affects not only our ability to see the stars but also the environment and wildlife around us.

**Theory:** Artificial light at night can disrupt the natural behavior of animals, leading to changes in their feeding, mating, and migration patterns. It can also affect the growth of plants and the health of ecosystems.

**Practice:** Research the effects of light pollution on wildlife and ecosystems. Look for examples of how light pollution has impacted specific species or environments.

**Questions and Answers:**

1. How does light pollution affect wildlife and ecosystems?
Answer: Light pollution can disrupt the natural behavior of animals, leading to changes in their feeding, mating, and migration patterns. It can also affect the growth of plants and the health of ecosystems.

2. What are some ways to reduce light pollution?
Answer: Some ways to reduce light pollution include using shielded light fixtures, turning off lights when not needed, and using amber or red light bulbs that emit less blue light.

3. Why is it important to reduce light pollution?
Answer: Reducing light pollution helps to protect wildlife and ecosystems, improves our ability to see the night sky, and saves energy.

**Conclusion:** Astronomy is a fascinating subject that allows us to explore the wonders of the universe. By learning about the history of astronomy, observing the night sky, and understanding the effects of light pollution, we can appreciate the beauty and importance of this science. As we continue to learn more about the universe, we can apply our knowledge to new problems and discoveries.


text: Diners World Travel. At Diners World Travel , we offer everything you need for travel including flight, hotel reservations, affordable holiday packages to New Zealand . Visit our website or call us at 6292 5522 for the best deals!. Diners World Travel. About. Diners World Travel (DWT) was established in 1972, to cater exclusively to the travel needs of Diners Club members and associated companies. DWT reorganised in 1984 to become a wholly owned subsidiary of Diners Club. Over time, DWT has grown in its range of services to meet the varied needs of the general public and enterprises. With a strong team of competent professionals, leading-edge systems and booking tools, DWT assists clients and travellers, be it international or local, to drive savings and satisfying travel needs of corporate & leisure travel as well as meetings and incentives. Carte. Adresse postale. Diners World Travel, 7500E BEACH ROAD #02-201, SINGAPORE, Singapore.

textbook:
Lesson: Introduction to Travel Agencies

### Section 1: What is a Travel Agency?

A travel agency is a company that provides travel and tourism-related services to customers. These services include flight bookings, hotel reservations, holiday packages, and other travel-related services. Travel agencies act as intermediaries between customers and travel suppliers, such as airlines, hotels, and tour operators. They help customers plan their trips, find the best deals, and provide them with information about the destinations they are visiting.

### Section 2: How does a Travel Agency work?

Travel agencies work by having contracts with various travel suppliers, such as airlines, hotels, and tour operators. When a customer contacts a travel agency, the agency searches for the best deals available from their suppliers and presents them to the customer. The travel agency then books the travel arrangements on behalf of the customer and provides them with all the necessary documentation. In addition, travel agencies often provide additional services such as travel insurance, visa assistance, and destination information.

### Section 3: Why use a Travel Agency?

There are several reasons why someone might choose to use a travel agency instead of booking their travel arrangements themselves. Firstly, travel agencies have access to better deals and discounts than the general public due to their relationships with suppliers. Secondly, travel agencies can save customers time by doing all the research and planning for them. Finally, travel agencies can provide valuable advice and recommendations based on their expertise and experience in the travel industry.

### Section 4: Types of Travel Agencies

There are several types of travel agencies, including:

1. Retail Travel Agencies: These agencies have physical locations where customers can come in to book their travel arrangements.

2. Online Travel Agencies: These agencies operate solely online and do not have physical locations. Customers book their travel arrangements through the agency's website.

3. Home-based Travel Agencies: These agencies are run from home offices and do not have physical locations.

4. Host Agency: These agencies provide support and resources to independent contractors who run their own travel businesses from home.

### Section 5: Conclusion

In conclusion, travel agencies play an important role in the travel industry by providing customers with the information, deals, and services they need to plan their trips. By using a travel agency, customers can save time and money while benefiting from the expertise and knowledge of travel professionals. Whether customers prefer to book their travel arrangements in person, online, or over the phone, there is a travel agency to suit their needs.


text:
Party Details: Airplanes are a pretty big deal in my family as my father is a pilot. He has a very strong bond with my son and airplanes are one of their shared passions. Naturally I knew that one day I would host an airplane themed party for him and this year was perfect time. I also expect this theme to be pretty popular next year as the new Disney Pixar Planes movie comes out. So there happens to be an airplane museum located within an executive airport here in Miami that we take my son all the time to. When I found out they rent the museum for special events I knew it would be the perfect location for his 3rd birthday. The place itself is pretty special as it houses beautiful historic planes, as well when you tour the museum you can see gentlemen working and restoring them. The backdrop of planes was enough and the venue didn’t really need any special decorations. So I mainly focused on the food, entertainment and a dessert table.

Paper goods: I wasn’t sure what kind of airplane I would focus on and wanted the party to be different from what I have seen. I greatly appreciate our military and love watching fighter jets fly through the sky during a special sports event or air show, so I made a silhouette of an F-16 and used a trio of them throughout the party from the invitations to the food labels, cupcake toppers etc.. I also needed a background design for the paper goods so I used flight coordinates to give it that authentic feel. For the take home bags I took natural coffee tin bags and made an AV8R label. My sister in law actually asked if they were supposed to be “throw up bags” I laughed as it was clever and I hadn’t thought of that one, but no they weren’t ;). As a party favor I made flight badges for the children and wrote in each of their names and handed them out throughout the party. The kids loved wearing them!

Food: For the appetizers I served what I usually serve at all my parties including chicken “wings”, strawberries and nutella, spanakopita grapes and cheese. For the main course I hired a fabulous caterer and for the adults they served mini lamb sliders topped with feta and tzatziki sauce. As well as sirloin, chorizo, pulled pork and blackened chicken with mango salsa sliders. The kiddies were served chicken wings, mini cheese burgers, gourmet Mac and cheese, chicken apple sausage kabobs and cookies. Delish!

“Sweets Fly Thru”: The colors of the party were Khaki, Black, Grey and Steel blue. So using accents in those colors and dessert stands in black I pulled the look together. Custom cookies, guava cheesecake and key lime pie mini dessert shots, cotton candy(clouds) and mini cupcakes made all the guests pretty happy! I ordered a simple delicious cookie dough cake and decorated it with model fighter jet planes. I also made brownie push pops which were fun to make.

Entertainment: My son loves the Avengers and so I figured the perfect Avenger to tie into the military theme would be Captain America. He did not disappoint and the kids all had such a great time, which to me is the most important part of a kids party. My son was just in awe when he made his grand entrance, priceless! After the show the children also got to have their faces painted and my son of course chose to have his face painted like Spider Man.

textbook:
Lesson: How to Host an Airplane Themed Party

Introduction:
Hosting an airplane themed party can be a fun and exciting experience for children and adults alike. In this lesson, we will explore the steps involved in planning and executing an airplane themed party. We will cover topics such as selecting a venue, creating invitations, choosing decorations, planning activities, and preparing food and drinks. By the end of this lesson, you will have a comprehensive understanding of how to host an airplane themed party that will be memorable for years to come.

Section 1: Planning the Party

Step 1: Choose a Venue
When planning an airplane themed party, it's essential to choose a venue that complements the theme. If you know someone who works at an airport or has access to a private hangar, this could be an excellent option. Alternatively, you could rent a room at a local museum or event space that features airplanes.

Step 2: Create Invitations
Create invitations that reflect the airplane theme. You could use paper airplanes as invitations or create digital invitations with images of airplanes. Make sure to include all the necessary details such as the date, time, and location of the party.

Step 3: Choose Decorations
Decorations are an essential part of any party, and an airplane themed party is no exception. You could hang up posters of famous airplanes, use streamers to mimic plane wings, and create a backdrop using cardboard cutouts of airplanes.

Section 2: Activities and Entertainment

Activity 1: Build Your Own Paper Airplane
A fun activity for guests of all ages is building their own paper airplane. Provide guests with pre-cut paper and instructions on how to fold it into an airplane shape. Then, have a contest to see whose airplane can fly the furthest.

Activity 2: Play Pilot and Co-Pilot
Divide guests into teams and have them compete in a game of pilot and co-pilot. One person is the pilot, and the other is the co-pilot. The pilot must give directions, and the co-pilot must follow them without speaking. The team that completes the obstacle course first wins.

Entertainment: Hire a stunt pilot to perform aerial tricks and stunts for guests. This will add an extra layer of excitement to the party and provide a unique form of entertainment.

Section 3: Food and Drinks

Food: Create a menu that reflects the airplane theme. Some ideas include airplane-shaped sandwiches, wings, and runway pasta. For dessert, you could make airplane-shaped cookies or cupcakes.

Drinks: Serve airplane-themed drinks such as blue and yellow punch or cocktails served in miniature plastic airplane cups.

Glossary:
- Blue and Yellow - the colors of many airlines
- Punch - a sweet, fruit-flavored drink
- Miniature - small in size

Conclusion:
By following these steps, you can host an airplane themed party that will be memorable for years to come. With careful planning and attention to detail, you can create a party that reflects the excitement and wonder of flying.


text: Here is the second part of “Mauritius” trip with Antoine Fermon and Laura Jaubert. This time they show us the famous spot Le Morne, where they had great times training on a beautiful morning.. Watch and enjoy a good training session in Mauritius!. Music:. Something about you (Odesza Remix) by Hayden James. If you missed the first part of their trip, check it here.

textbook:
Lesson: How to Find the Area of a Circle

Introduction:
In this lesson, we will learn how to find the area of a circle. A circle is a round shape that has a diameter, radius, and circumference. The area of a circle is the region enclosed by the circle, and it is measured in square units.

Theoretical Concepts:
- The formula for finding the area of a circle is A = πr^2, where A is the area, r is the radius, and π (pi) is approximately 3.14.
- The diameter of a circle is the longest straight line passing through its center, connecting two points on the circle.
- The radius of a circle is the distance from the center to any point on the circle.
- The circumference of a circle is the distance around the circle, which is equal to 2πr.

Questions and Answers:
Q: What is the area of a circle with a radius of 5 cm?
A: To find the area of a circle with a radius of 5 cm, we can use the formula A = πr^2. Plugging in the values, we get: A = π(5)^2 = 78.54 square centimeters.

Practical Examples:
1. If the radius of a pizza is 10 inches, what is the area of the pizza in square inches?
Answer: Using the formula A = πr^2, where r = 10 inches, we get: A = π(10)^2 = 100π square inches.

2. If the diameter of a circular field is 50 meters, what is the area of the field in square meters?
Answer: Since the diameter is 50 meters, the radius is 25 meters. Using the formula A = πr^2, where r = 25 meters, we get: A = π(25)^2 = 625π square meters.

Conclusion:
In this lesson, we learned how to find the area of a circle using the formula A = πr^2. We also looked at some practical examples to help us understand how to apply this formula in real-life situations. By mastering this concept, we can calculate the area of a circle given its radius or diameter.

Glossary:
- Circle: A round shape with a diameter, radius, and circumference.
- Diameter: The longest straight line passing through the center of a circle.
- Radius: The distance from the center to any point on a circle.
- Circumference: The distance around a circle.
- Area: The region enclosed by a circle.


text: About Joel Stretch, RPA-C. Joel has over 25 years of impeccable experience as a PA. He has been a Physician Assistant since 1984. He worked as an Emergency Room PA for 20 years. He brings both depth of knowledge and an understanding of patients to the Mountain Medical family. He is a highly personable, competent, and team spirited PA who puts the patient's care first. Joel demonstrates superior diagnostic skills and treatment planning and execution proficiency.

textbook:
Lesson: How to Become a Successful Physician Assistant

Introduction:
Physician assistants (PAs) are medical professionals who work under the supervision of doctors to diagnose and treat illnesses. They perform many of the same duties as physicians, including taking medical histories, conducting physical exams, ordering lab tests, and prescribing medications. In this lesson, we will explore the steps required to become a successful physician assistant.

Section 1: Education and Training

Topic 1: Earn a Bachelor's Degree
To become a physician assistant, you must first earn a bachelor's degree from an accredited college or university. There are no specific major requirements for PAs, but it is recommended that you choose a major related to science, such as biology, chemistry, or physics. During your undergraduate studies, you should take courses in anatomy, physiology, microbiology, and other science-related subjects.

Topic 2: Complete a PA Program
After completing your bachelor's degree, you must then enroll in a Physician Assistant program, which typically lasts for two years. These programs are highly competitive and require a strong academic background in science, as well as significant clinical experience. Upon completion of the program, you will receive a Master's degree in Physician Assistant Studies.

Topic 3: Obtain Certification
To practice as a physician assistant, you must obtain certification from the National Commission on Certification of Physician Assistants (NCCPA). To maintain certification, you must complete 100 hours of continuing medical education every two years.

Section 2: Skills and Abilities

Topic 1: Strong Communication Skills
Physician assistants must possess excellent communication skills to effectively interact with patients, physicians, and other healthcare professionals. They must be able to explain complex medical information in a way that patients can understand and provide clear, concise instructions to other members of the healthcare team.

Topic 2: Diagnostic and Technical Skills
PAs must have strong diagnostic and technical skills to accurately assess patients and make appropriate decisions regarding their care. They must be able to interpret medical records, lab results, and imaging studies to identify potential health issues.

Topic 3: Critical Thinking and Problem Solving
Physician assistants must be able to think critically and solve problems quickly and efficiently. They must be able to analyze information, make accurate diagnoses, and develop effective treatment plans.

Section 3: Career Opportunities

Topic 1: Specialties
Physician assistants can specialize in a variety of areas, including emergency medicine, surgery, pediatrics, and psychiatry. Many PAs choose to work in primary care settings, such as family practice or internal medicine.

Topic 2: Work Settings
Physician assistants can work in a variety of settings, including hospitals, clinics, private practices, and government agencies. Some PAs choose to work in rural or underserved areas, where there is a shortage of healthcare professionals.

Topic 3: Salary and Job Outlook
According to the Bureau of Labor Statistics, the median annual wage for physician assistants was $115,390 in May 2020. The job outlook for PAs is also promising, with employment projected to grow 31 percent from 2020 to 2030, much faster than the average for all occupations.

Conclusion:
Becoming a successful physician assistant requires a strong academic background in science, clinical experience, and a range of skills and abilities. By following the steps outlined in this lesson, you can prepare yourself for a rewarding career as a physician assistant.


text: NFT Hydroponic. NFT Hydroponic (Nutrient Film Technique). Advantage:. Suitable for vegetable, lettuce or flower, etc.. Save the land, no soil is needed for hydroponics. All the growing conditions can be controlled with hydroponics system. Stable and high productivity with NFT channel. Environment friendly.. Plants grow healthier and easy to harvest. Basic Information. What are the hydroponics systems.. Greenhouse Hydroponics Advantage. Greenhouse Hydroponics Disadvantage. We have a fantastic range of hydroponics systems. Take a peek today at the new Platinium systems now available.. China Agrotime. For more pls visit web at. For more pls contact us directly as followings:. Tel:86-571-63727829; 86-571-63727826. Whatsapp:86-15888812171. Add:No.399 Science Building Huancheng North Road Lin'an, Zhejiang, China. FactoryAdd:Hengxi Science and Technology Industrial Park Lin'an, Zhejiang, China

textbook:
Lesson Title: Introduction to Hydroponics

## Chapter 1: Overview of Hydroponics

### Section 1.1: Definition and Advantages of Hydroponics

**Definition:** Hydroponics is a method of growing plants without soil. Instead, the plants receive nutrients directly into their roots through a water-based solution.

**Advantages:** There are several advantages to using hydroponics, including:

1. Soil-less growth: Hydroponics eliminates the need for soil, which can be expensive and difficult to transport.

2. Controlled growing conditions: With hydroponics, all growing conditions can be controlled, such as temperature, pH, and nutrient levels.

3. High productivity: Hydroponics systems can produce higher yields than traditional soil-based gardens.

4. Environmentally friendly: Hydroponics uses less water and fewer resources than traditional agriculture.

5. Healthier plants: Plants grown in hydroponics systems tend to be healthier and easier to harvest.

### Section 1.2: Types of Hydroponics Systems

There are several types of hydroponics systems, including:

1. Wick system: In this system, a wick absorbs nutrient solution and transports it to the plant roots.

2. Water culture system: This system uses a reservoir to hold the nutrient solution, and the plants' roots are submerged in the solution.

3. Drip system: A drip system delivers nutrient solution directly to the plant roots through a network of tubes and emitters.

4. Nutrient film technique (NFT): In this system, a continuous flow of nutrient solution is delivered to the plant roots in a shallow channel.

5. Aeroponic system: This system sprays a nutrient mist over the plant roots, which are suspended in the air.

## Chapter 2: Greenhouse Hydroponics

### Section 2.1: Advantages of Greenhouse Hydroponics

Greenhouse hydroponics has several advantages over other types of hydroponics systems, including:

1. Controlled environment: Greenhouses allow for complete control over the growing environment, such as temperature, humidity, and light.

2. Year-round growth: Greenhouses can be used to grow plants year-round, regardless of the weather outside.

3. Energy-efficient: Greenhouses can be designed to minimize energy use by taking advantage of natural sunlight and ventilation.

4. Space-efficient: Greenhouses can be designed to maximize space usage, allowing for multiple tiers of plants to be grown simultaneously.

### Section 2.2: Disadvantages of Greenhouse Hydroponics

While greenhouse hydroponics has many advantages, there are also some disadvantages to consider:

1. Cost: Greenhouses can be expensive to construct and maintain, especially if they require heating or cooling systems.

2. Pests: Greenhouses can create an ideal environment for pests, which can damage or destroy the plants.

3. Disease: Greenhouses can also create an ideal environment for disease, which can spread quickly among the plants.

4. Maintenance: Greenhouses require regular maintenance, such as cleaning and repairing, to ensure that they continue to function properly.

## Chapter 3: Platinum Hydroponics System

### Section 3.1: Features of Platinum Hydroponics System

The Platinum hydroponics system is a state-of-the-art hydroponics system that offers several features, including:

1. Easy to use: The Platinum system is designed to be user-friendly, with intuitive controls and simple instructions.

2. High yield: The Platinum system is designed to produce high yields of fresh, nutritious produce.

3. Customizable: The Platinum system can be customized to fit the needs of any grower, with options for different types of plants and growing conditions.

4. Durable: The Platinum system is built to last, with heavy-duty components that can withstand years of use.

5. Energy-efficient: The Platinum system is designed to minimize energy use, reducing your costs and your impact on the environment.

### Section 3.2: How to Use the Platinum Hydroponics System

To use the Platinum hydroponics system, follow these steps:

1. Choose the right system for your needs: Depending on the type of plants you want to grow and the growing conditions you have, you may need to choose a different system.

2. Set up the system: Follow the instructions provided with your Platinum system to set it up correctly.

3. Add nutrients: Use the appropriate nutrients for the type of plants you are growing, following the instructions on the package.

4. Monitor the system: Regularly check the pH, temperature, and nutrient levels in the system to ensure that everything is working correctly.

5. Harvest your crops: Once your plants are ready to be harvested, follow the instructions provided with your system to do so.

## Glossary

Hydroponics: A method of growing plants without soil, using a water-based solution to deliver nutrients directly to the roots.

Greenhouse: A building with glass or transparent walls and roof designed to grow plants under controlled conditions.

Pest: Any insect or other animal that damages or destroys plants.

Disease: An abnormal condition affecting the health of an organism, often caused by a pathogen such as a virus or bacteria.

Nutrients: Chemical elements that plants need to grow, such as nitrogen, phosphorus, and potassium.

Conclusion:

In conclusion, hydroponics is a powerful tool for growing plants without soil. By using a hydroponics system, such as the Platinum system, growers can achieve high yields and control their growing conditions. However, they must also be aware of potential disadvantages, such as pests and disease. By carefully monitoring their systems and using proper techniques, growers can achieve great success with hydroponics.


text: Search. RH665 Brake fluid. RH665 is also maintains its class leading viscosity, lubricity and compressibility performance at extreme temperatures to ensure braking system reliability and performance and a Rock Hard pedal.. RH665 has the highest GUARANTEED minimum Dry Boiling Point (ERBP) of any DOT 4 Brake Fluid, 617°F,°F. A similar situation applies to "Wet" Boiling Point, RH665 is GUARANTEED to be above 383°F "typical"values are much higher and at least the equal of other leading brands.. see more

textbook:
Lesson: Understanding and Comparing Temperature Properties of Brake Fluids

Introduction:
Brake fluids are essential components of modern vehicles that help in controlling the braking system. They are responsible for transmitting braking force from the driver's foot to the brakes, ensuring safe and efficient stopping. However, not all brake fluids are created equal, and their temperature properties play a crucial role in determining their effectiveness. In this lesson, we will explore the temperature properties of brake fluids, including their boiling points, dry boiling points, wet boiling points, and compressibility.

Section 1: Temperature Properties of Brake Fluids

Topic 1: Boiling Point
The boiling point of a substance refers to the temperature at which it changes from a liquid to a gas. For brake fluids, this is an essential property because it determines the maximum temperature at which they can operate safely without losing their effectiveness.

Question: What is the boiling point of water, and how does it compare to the boiling point of brake fluid?
Answer: The boiling point of water is 100°C (212°F), while the boiling point of brake fluid varies depending on its type. For example, DOT 3 brake fluid has a boiling point of around 140-180°C (284-356°F), while DOT 4 brake fluid has a boiling point of around 180-265°C (356-507°F).

Topic 2: Dry Boiling Point
The dry boiling point of a substance refers to the temperature at which it starts to vaporize without the presence of any other substances. This property is particularly important for brake fluids because it determines their ability to withstand high temperatures without degradation.

Question: What is the difference between the boiling point and the dry boiling point of brake fluid?
Answer: The boiling point of brake fluid refers to the temperature at which it starts to boil when it is mixed with water. On the other hand, the dry boiling point refers to the temperature at which the brake fluid starts to vaporize without any other substances present.

Topic 3: Wet Boiling Point
The wet boiling point of a substance refers to the temperature at which it starts to vaporize when it is mixed with water. This property is essential for brake fluids because it determines their ability to perform under wet conditions.

Question: What is the difference between the wet boiling point and the dry boiling point of brake fluid?
Answer: The wet boiling point refers to the temperature at which the brake fluid starts to vaporize when it is mixed with water, while the dry boiling point refers to the temperature at which the brake fluid starts to vaporize without any other substances present.

Topic 4: Compressibility
Compressibility refers to the ability of a substance to be compressed or squeezed into a smaller volume. For brake fluids, this property is essential because it determines their ability to flow through the braking system and maintain proper pressure.

Question: How does the compressibility of brake fluid affect its performance?
Answer: The compressibility of brake fluid affects its performance by determining how easily it can flow through the braking system and maintain proper pressure. A highly compressible brake fluid will flow more easily and maintain proper pressure, leading to better braking performance.

Conclusion:
In this lesson, we explored the temperature properties of brake fluids, including their boiling points, dry boiling points, wet boiling points, and compressibility. We learned that these properties are essential for determining the effectiveness of brake fluids and that they vary depending on the type of brake fluid. By understanding these properties, we can make informed decisions when choosing the right brake fluid for our vehicles and ensure safe and efficient braking.

Glossary:
- Boiling point: The temperature at which a substance changes from a liquid to a gas.
- Dry boiling point: The temperature at which a substance starts to vaporize without the presence of any other substances.
- Wet boiling point: The temperature at which a substance starts to vaporize when it is mixed with water.
- Compressibility: The ability of a substance to be compressed or squeezed into a smaller volume.


text: Can anybody explain me Why two shunt trip coils are used in HV/MV circuit breakers? Is it used as a backup?. Overload, Short circuit and earthfault trip signals can be given to a single trip coil..why do we need two trip coils? I dont think the second trip coil is for backup..there is some specific reason..If anybody knows please explain me... In the applications I have seen (as a power engineer for 40+ years) the rationale for multiple trip coils in HV/MV breakers was always reliabillity. HV/MV breakers relay on stored energy (in a station battery) for tripping power. There is a subset of protection technology that is concerned about "breaker failure", and the way to address that problem is with redundant relays, redundant station batteries, and redundant trip coils.

textbook:
Lesson: The Use of Two Trip Coils in HV/MV Circuit Breakers
Introduction:
Circuit breakers are essential components of electrical systems that protect equipment and wiring from damage caused by overloads, short circuits, and earth faults. High Voltage (HV) and Medium Voltage (MV) circuit breakers are commonly used in industrial and commercial settings. This lesson will explain why two trip coils are used in HV/MV circuit breakers and their importance in ensuring the reliability of the electrical system.
Core Value:
The use of two trip coils in HV/MV circuit breakers is crucial in providing redundancy and reliability in the electrical system. This means that even if one trip coil fails or malfunctions, the other trip coil can still function correctly, ensuring that the circuit breaker can trip when necessary.
Lesson:
I. Theoretical Concepts
A trip coil is an essential component of a circuit breaker that initiates the opening of the breaker contacts when a fault is detected. A fault is an abnormal condition in an electrical system that can cause damage to equipment or wiring. Common types of faults include overloads, short circuits, and earth faults.
II. Practical Examples
In HV/MV circuit breakers, two trip coils are typically used to provide redundancy and reliability. This means that if one trip coil fails or malfunctions, the other trip coil can still function correctly, ensuring that the circuit breaker can trip when necessary. This is especially important in applications where the electrical system must be reliable and cannot afford to fail.
III. Real-World Scenarios
One example of a real-world scenario where the use of two trip coils is essential is in a data center. Data centers require a high level of reliability in their electrical systems to ensure that the servers and other equipment can continue to operate without interruption. If one trip coil in an HV/MV circuit breaker were to fail, it could result in significant downtime and loss of data. By using two trip coils, the circuit breaker can continue to function correctly even if one of the trip coils fails, providing a high level of reliability for the electrical system.
IV. Self-Debating Discussions
One question that may arise when discussing the use of two trip coils in HV/MV circuit breakers is whether it is necessary to use two trip coils in all applications. While redundancy and reliability are essential in many applications, there may be situations where the cost and complexity of using two trip coils outweigh the benefits. For example, in a residential setting, a single trip coil may be sufficient to protect the electrical system from common faults.
Conclusion:
In summary, the use of two trip coils in HV/MV circuit breakers provides redundancy and reliability in the electrical system. This means that even if one trip coil fails or malfunctions, the other trip coil can still function correctly, ensuring that the circuit breaker can trip when necessary. Understanding the importance of two trip coils in HV/MV circuit breakers is essential for anyone working in electrical engineering or related fields.


text: Former chairman: Michael Watt. Death of former Tattersalls chairman Watt. FORMER Tattersalls chairman Michael Watt has died at the age of 77.. He was a pivotal figure at Tattersalls before his retirement in 1993 and was described by his cousin Todd, a director at the sales company, as "an extremely respected auctioneer.". Watt oversaw the development of the Fairyhouse sales complex in Ratoath, from where Tattersalls Ireland today operates. He was also quick to recognise the role that Tattersalls had to play in an increasingly global bloodstock market.. Read more inFriday's Racing Post - download the NEW digital newspaper from 3am or buy it as a PDF from 9am

textbook:
Lesson: Introduction to Bloodstock Market

**Objective:** Understand the concept of bloodstock market, its history, and its importance in the global horse racing industry.

**Section 1: Introduction**

The bloodstock market is a term used to describe the buying and selling of horses for breeding purposes. It is a global industry that involves the exchange of horses between different countries and continents. In this lesson, we will learn about the history of the bloodstock market, its importance in the horse racing industry, and some of the key players involved in this market.

**Section 2: History of the Bloodstock Market**

The bloodstock market has its roots in the 18th century when horse racing became popular among the aristocracy in Europe. The first recorded horse sale took place in England in 1766, and since then, the bloodstock market has grown into a multi-billion-dollar industry. Today, the bloodstock market is a global phenomenon with sales taking place in North America, Europe, Asia, and Australia.

**Section 3: Importance of the Bloodstock Market**

The bloodstock market is essential to the horse racing industry because it helps to ensure the continuity of the sport. By buying and selling horses, breeders can improve the quality of their stock and increase their chances of winning races. This, in turn, attracts more people to the sport, leading to increased revenue and popularity.

**Section 4: Key Players in the Bloodstock Market**

There are several key players in the bloodstock market, including breeders, owners, trainers, and agents. Breeders are responsible for producing foals (young horses) through breeding programs. Owners purchase horses from breeders and enter them into races. Trainers prepare horses for races by training them physically and mentally. Agents represent owners and breeders at sales, helping them to buy and sell horses.

**Section 5: Practical Examples**

Let's consider a hypothetical scenario. Suppose you are an agent representing an owner who wants to buy a horse at a Tattersalls sale. Your task is to find a horse that has the potential to win races and would be a good investment for your owner. You would research the horses available at the sale, look at their pedigrees (family histories), and evaluate their physical attributes. Once you have identified a few horses that meet your criteria, you would bid on behalf of your owner, hoping to secure a good deal.

**Section 6: Conclusion**

In conclusion, the bloodstock market is a vital component of the horse racing industry. By understanding its history and key players, we can appreciate its importance in ensuring the continuity of the sport. As we continue to learn about the bloodstock market, we will be better equipped to analyze and understand the dynamics of this global industry.


text: 2021 U.S. Boating Statistical Abstract: Boat and Engine Exports and Imports Report Now Available. The Boat and Engine Exports and Imports section of NMMA’s 2021 U.S. Recreational Boating Statistical Abstract is now available. This report examines 24 years of historical data on the different categories of recreational boats and marine engines imported to and exported from the U.S. each year. Data show U.S. exports of recreational boats and engines reached a 14-year high in 2021 with 133,011 boats shipped internationally and 132,874 engines exported.. - The top three destinations for United States boat exports were Canada, the Caribbean and Central American region, and Mexico.. - U.S. consumption of recreational boats imported from abroad continued to rise in 2021, and boat imports reached a new record of $2.7 billion, up 31.2 percent compared to 2020.. - The top three sources of United States boat imports were the European Union, Mexico, and the rest of the Asia-Pacific region..

textbook:
Lesson: Introduction to International Trade in Boats and Engines

### Overview

In this lesson, we will learn about the international trade of boats and engines. We will cover the following topics:

1. Importance of international trade
2. Historical data on boat and engine exports and imports
3. Top destinations for boat exports
4. Impact of COVID-19 on international trade
5. Practical examples of international trade in boats and engines

### Importance of International Trade

International trade is the exchange of goods and services between countries. It allows countries to access resources that they may not have, such as food, technology, or natural resources. International trade also promotes economic growth by creating jobs and increasing competition.

### Historical Data on Boat and Engine Exports and Imports

The National Marine Manufacturers Association (NMMA) has been tracking boat and engine exports and imports in the United States for over 20 years. The data shows that in 2021, the U.S. exported 133,011 boats and 132,874 engines to other countries. This is the highest number of exports in the past 14 years.

### Top Destinations for Boat Exports

The top three destinations for United States boat exports are Canada, the Caribbean and Central American region, and Mexico. This is followed by China, Australia, and Germany.

### Impact of COVID-19 on International Trade

COVID-19 has had a significant impact on international trade. Many countries have closed their borders or imposed restrictions on the import and export of goods. This has led to disruptions in supply chains and reduced demand for goods.

### Practical Examples of International Trade in Boats and Engines

One practical example of international trade in boats and engines is the export of fishing boats from the United States to countries in Africa. These boats are used to catch fish and support local economies. Another example is the import of high-performance boats from Europe to the United States. These boats are often used for racing and recreational activities.

### Glossary

- International trade: The exchange of goods and services between countries.
- Boat: A watercraft designed for recreational or commercial use.
- Engine: A device that converts fuel into mechanical energy.
- Export: To send goods out of a country for sale in another country.
- Import: To bring goods into a country from another country for sale.
- Supply chain: The network of people, organizations, activities, information, and resources involved in moving a product or service from supplier to customer.

### Conclusion

International trade in boats and engines is an important part of the global economy. By understanding the historical data and practical examples of international trade, we can better understand the impact of COVID-19 on this industry. This knowledge can be applied to future careers in business, economics, and politics.


text: Henika is an Auckland based solo alternative indie multi-instrumentalist and singer-songwriter.. Henika produces music that bridges the sky between alternative rock, blues, jazz and folk with an intensity of imagery that makes her work both challenging and compelling. She has been described as a "new Kate Bush, but even darker". Exotic rhythms, eerie but creamy vocals, unusual harmonies disturbing lyrics and dense layers are all part of her unique sound.. In 2015 Henika received a Making Tracks grant to record and make a video for her first single "You bring me down." A dark film noir shot on 8mm film, it is a haunting tour de force that is as immersive as it is memorable.. She is currently in the studio working with legendary producer Andrew Buckton on her first EP due out this year.. Henrieta Tornyai. New Zealand

textbook:
Lesson Title: Introduction to Music Production

**Introduction:**
In this lesson, we will explore the basics of music production. We will cover topics such as recording, mixing, and mastering. By the end of this lesson, you will have a basic understanding of how to produce your own music.

**Section 1: Recording**
Recording is the first step in music production. It involves capturing the audio signal of an instrument or voice and storing it on a computer or other device. There are several types of recording equipment available, including microphones, interfaces, and digital audio workstations (DAWs).

**Questions and Answers:**
- What is the difference between a condenser microphone and a dynamic microphone?
- How do you choose the right microphone for a specific instrument or vocal?
- What is a DAW and what are some popular ones?

**Definitions and Practical Examples:**
- Microphone: A device that converts sound waves into electrical signals
- Interface: A device that connects a microphone or instrument to a computer
- DAW: A software program used for recording, editing, and mixing audio

**Section 2: Mixing**
Mixing is the process of combining multiple tracks to create a final mix. This involves balancing levels, adding effects, and adjusting the equalization of each track.

**Questions and Answers:**
- What is the difference between a compressor and a limiter?
- How do you use EQ to improve the sound of a track?
- What are some common mixing mistakes to avoid?

**Definitions and Practical Examples:**
- Compressor: A device or plugin that reduces the volume of loud sounds while leaving quiet sounds relatively unchanged
- Limiter: A device or plugin that prevents audio levels from exceeding a certain threshold
- EQ: Short for equalization, which is the process of adjusting the frequency balance of a sound

**Section 3: Mastering**
Mastering is the final step in music production. It involves adjusting the overall level, equalization, and stereo width of a mix to ensure consistency across different playback systems.

**Questions and Answers:**
- What is loudness and why is it important in mastering?
- How do you use compression and limiting during mastering?
- What are some common mastering mistakes to avoid?

**Definitions and Practical Examples:**
- Loudness: The relative level of a sound in comparison to other sounds
- Stereo width: The perceived spatial separation between the left and right channels of a stereo recording

**Conclusion:**
By understanding the basics of recording, mixing, and mastering, you can produce high-quality music that sounds great on any playback system. With practice and patience, you can develop your skills and create music that is both engaging and memorable.

**Glossary:**
- Microphone: A device that converts sound waves into electrical signals
- Interface: A device that connects a microphone or instrument to a computer
- DAW: A software program used for recording, editing, and mixing audio
- Compressor: A device or plugin that reduces the volume of loud sounds while leaving quiet sounds relatively unchanged
- Limiter: A device or plugin that prevents audio levels from exceeding a certain threshold
- EQ: Short for equalization, which is the process of adjusting the frequency balance of a sound
- Loudness: The relative level of a sound in comparison to other sounds
- Stereo width: The perceived spatial separation between the left and right channels of a stereo recording


text: Why this information and who is addressed?. This page describes how to process the personal data of users of our site.. It is an informative note that is given to those who interact with the web services of Irasco Srl, accessible by telematic means starting from the address:.. The information is provided for Users of the website. The information does not apply to the processing of personal data carried out link to web pages, regardless of the purpose of the link.

textbook:
Lesson: Processing Personal Data on the Internet

**Introduction:**
In today's digital age, personal data is constantly being collected and processed by websites and companies. It is essential to understand how this data is used and protected. In this lesson, we will explore the basics of processing personal data on the internet.

**Section 1: What is Personal Data?**
Personal data refers to any information that can be used to identify a person. This includes name, address, phone number, email address, social security number, and other identifiable information.

**Section 2: Why is Personal Data Collected?**
Companies collect personal data for various reasons, including providing products or services, improving user experience, and marketing purposes.

**Section 3: How is Personal Data Protected?**
Laws and regulations govern the collection, use, and protection of personal data. These laws require companies to provide clear and transparent information about their data practices and obtain consent before collecting and processing personal data.

**Section 4: What are the Risks of Personal Data Processing?**
There are several risks associated with processing personal data, including identity theft, unauthorized access, and misuse of information.

**Section 5: How can Personal Data be Protected?**
To protect personal data, individuals can take several steps, including using strong passwords, updating software, and being cautious when sharing personal information online.

**Conclusion:**
In conclusion, understanding the basics of processing personal data on the internet is crucial in today's digital age. By knowing the risks and taking precautions, individuals can protect their personal information and maintain their privacy.


text: .. The effects of the French Revolution were widespread, both inside and outside of France, and the Revolution ranks as one of the most important events in the history of Europe., Revolutions.. During.. The discontent of the French people might not have brought about a political revolution if there had not been a fiscal crisis in the late 1780s..

textbook:
**Title:** The French Revolution and its Effects on Europe

**Introduction:** The French Revolution was a major event that took place in France from 1789 to 1799. It was a period of radical social and political upheaval, which had far-reaching effects on Europe and the world. In this lesson, we will explore the causes and consequences of the French Revolution and how it influenced other revolutions in Europe.

**Section 1: Causes of the French Revolution**

The French Revolution was caused by a combination of factors, including economic hardship, social inequality, and political corruption. Here are some of the key causes:

1. Economic Hardship: In the late 18th century, France was facing a severe financial crisis due to its involvement in several expensive wars and a series of costly foreign alliances. This led to an increase in taxes, which burdened the common people while the wealthy avoided paying their fair share.

2. Social Inequality: French society at the time was divided into three estates, with the first two estates (clergy and nobility) enjoying privileges and exemptions that were not available to the third estate (commoners). This created a sense of resentment among the common people who felt that they were being oppressed by the ruling class.

3. Political Corruption: The monarchy in France was seen as corrupt and inefficient, with the king and his advisors using their positions for personal gain rather than serving the needs of the people. This led to a loss of trust in the government and a desire for change.

**Section 2: Consequences of the French Revolution**

The French Revolution had far-reaching effects on Europe and the world. Here are some of the key consequences:

1. Rise of Nationalism: The French Revolution inspired other European nations to seek independence from their rulers and establish their own governments. This led to a rise in nationalism and a desire for self-determination among the people.

2. Spread of Liberal Ideas: The ideas of liberty, equality, and fraternity that were promoted during the French Revolution spread throughout Europe and beyond, inspiring other movements for freedom and democracy.

3. Changes in European Politics: The French Revolution led to the overthrow of several European monarchies and the establishment of republics or constitutional monarchies. This marked a significant shift in the balance of power in Europe and led to the rise of new political ideologies.

**Section 3: The Impact of the French Revolution on Other Revolutions**

The French Revolution was not just a French event; it had a profound impact on other revolutions in Europe and around the world. Here are some examples:

1. The American Revolution: The American Revolution, which took place between 1765 and 1783, was inspired by the ideas of liberty and independence that were promoted during the French Revolution. The American colonists saw the French Revolution as a model for their own struggle against British rule.

2. The Haitian Revolution: The Haitian Revolution, which took place between 1791 and 1804, was also influenced by the ideas of the French Revolution. The Haitian people sought independence from French colonial rule and used the ideas of liberty and equality to justify their rebellion.

3. The Italian Risorgimento: The Italian Risorgimento, which took place between 1815 and 1870, was inspired by the ideas of the French Revolution and sought to unify Italy under a single government. The movement was successful in 1861 when the Kingdom of Italy was established.

**Conclusion:** The French Revolution was a pivotal event in European history that had far-reaching consequences. It inspired other revolutions and led to significant changes in European politics and society. By studying the causes and consequences of the French Revolution, we can gain a deeper understanding of the forces that shape history and apply these lessons to our own lives.

**Glossary:**

- Revolution: A period of radical social and political upheaval
- Fiscal Crisis: A situation in which a government is unable to pay its debts or finance its operations
- Estates: In feudal Europe, the three main classes of society were the clergy, the nobility, and the common people
- Nationalism: A feeling of pride and loyalty towards one's nation
- Liberal Ideas: Ideas that promote individual rights and freedoms
- Balance of Power: The distribution of political power among countries or groups
- Republic: A form of government in which the people have a say in the decision-making process
- Constitutional Monarchy: A form of government in which the monarch has limited powers and the government is based on a constitution.