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Nguyễn Thị Thanh Mai

Mssv: 25DH710361

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KITE POWER:

The article talks about Saul Griffith’s invention: kite power. The kite flies higher than traditional wind turbines to take advantage of stronger and more stable winds, pulling a cable connected to a generator on the ground. This method helps produce electricity efficiently, save costs, and protect the environment. The invention opens a new path for renewable energy, reducing pollution and reliance on fossil fuels, while making use of wind energy sustainably for the future.

TEDTALK:

William Kamkwamba grew up in poverty in Malawi and had to leave school because his family couldn’t afford it. At the library, he found a book about windmills and learned from the pictures. Using scrap materials like bicycle parts and metal, he built a windmill that generated electricity for his home and later pumped water for his village. At TED, he shared how nervous he was but wanted to show that belief in yourself and determination can help anyone create something that changes their life and community.

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1.Reading :

Students learn about a new and important invention in renewable energy called the energy kite. Although wind power is becoming more common, traditional wind turbines are very expensive, need many materials to build, and can only be used in a few places. However, inventor Saul Griffith created a cheaper energy kite that offers another way to use wind power. The light kite flies high in the sky so it can reach stronger winds, and it also uses less land. As a result, it can produce more energy than normal wind turbines.

2.Tedtalk:

In his TED Talk, William Kamkwamba tells the story of how he began building a wind turbine at the age of 13. His family and village in Malawi were experiencing a severe famine, so he wanted to find a solution. Therefore, he went to the library to study and look for ideas. When he learned that a wind turbine could help with irrigation, he decided to build one by teaching himself and using old scrap parts. As a result, his invention helped his family and community survive the famine. In addition, it improved his life because he returned to school and later spoke at TED two times.

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Kite Power

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Summarize reading:

Kite Power

According to inventor Saul Griffith, it is estimated that to have enough wind energy for the entire world, we would need 200 times the current amount. However, thanks to an idea inspired by a children’s toy, we may be able to harness this energy more efficiently.

The solution comes from a simple wind-powered toy: a kite. A kite can fly in large circles at altitudes of up to 300 meters, where the wind is stronger and more stable. Its wings function like those of a traditional turbine. Griffith’s invention has several advantages: it is lighter because it is made of plastic, cheaper, and takes up less land because it operates in the air. It also performs better.

He and his team plan to build larger kites capable of generating clean energy. He believes that his kite-based technology is an important part of the solution to today’s climate problems.

Tedtalk:

William Kamkwamba, who built a windmill in Malawi. He recounts the time he stood on stage in Arusha, Tanzania, to tell the story of a machine that changed his life. In 2001, after a terrible famine, food was scarce for his family, and education required tuition fees, forcing him to drop out. But with his passion for learning, he goes to the library every day to read books. By chance he read information about windmills. He had the idea of ​​building one. He searched for items from the dump. He successfully made them to help the village. So, when he stood on stage, he wanted to spread the message "never give up" to those who have dreams, especially the poor.

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25DH711744 - Reading and TedTalk Summarize

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Summuarize

Inventor Griffith created the powered kite.Kites fly at high altitudes up to 1,000 feet where the wind is much stronger and more consistent than at traditional turbine heights.The kite pulls a tether connected to a ground-based generator to produce electricity.This technology uses 90% less material and is half the cost of traditional wind turbines, and can be deployed in more diverse locations.Griffithbelieve that energy kites will become an important source of energy in the future, helping to meet energy needs and combat global warming

Ted talk

William Kamkwamba is an inventor from Malawi, famous for building a windmill to bring electricity and water to his village when he was just 14 years old. This machine not only provided electricity for lighting but also pumped water for irrigation, helping his family and community fight hunger. His story is a symbol of perseverance and the power of knowledge in difficult circumstances.

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U8&TT

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U8&TT

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SUMMARIZE UNIT 8

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SUMMERIZE UNIT 8