Saul Griffith: High-altitude wind energy from kites!

The video explores the potential of kites beyond toys, highlighting their historical uses in military and aviation. It discusses the modern application of kites in generating renewable energy, addressing current energy and climate crises. The speaker emphasizes the future of kite technology in producing clean energy, drawing parallels with historical audacious innovations.

What was one of the early uses of kites in China?

• For weather forecasting

• For military applications

• For fishing

• For entertainment purposes

Who were the inventors that used kites to develop control systems for powered flight?

• Alexander Graham Bell and Samuel Langley

• George Pocock and Miles Loyd

• Orville and Wilbur Wright

• Thomas Edison and Nikola Tesla

What was Miles Loyd's key observation about free-flying wings?

• They are more stable than fixed-wing turbines

• They are less efficient than fixed-wing turbines

• They can generate more power in a unit of time

• They are easier to control than traditional turbines

What is the potential of wind as a renewable resource compared to solar?

• Wind is less abundant than solar

• Wind is the largest renewable resource

• Wind is the second-largest renewable resource

• Wind is not a viable renewable resource

How much power was generated by the kite in the test site on Maui?

• 20 kilowatts

• 10 kilowatts

• 5 kilowatts

• 15 kilowatts

What is the potential power output of a kite the size of a 747?

• 1 megawatt

• 10 megawatts

• 3 megawatts

• 6 megawatts

What historical example is used to illustrate the potential for rapid production of kite-powered machines?

• The Digital Revolution

• World War II airplane production

• The Space Race

• The Industrial Revolution