Wind, Solar, and Geothermal Power (Calling All Innovators: A Career for You)
by Steven Otfinoski (Author)
Booktalk: For decades, people around the world have relied mainly on the burning of fossil fuels to power machines and create electricity. However, as scientists uncover the destruction these fuels are doing to the environment, alternative energy sources such as wind, solar, and geothermal power are becoming more common. Readers will learn about the scientists, engineers, and other people working to bring us new energy options. They will also find out what it takes to make it in this growing career field.
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SOLAR CARS
Since they were invented in the late 19th century, automobiles have run on many different types of fuel, including gasoline, steam, and electricity. However, a car powered by the sun’s energy seemed like a pipe dream until August 31, 1955, when William Cobb of General Motors (GM) unveiled his “Sunmobile” at an auto show in Chicago, Illinois. Just 15 inches (38 centimeters) long, the Sunmobile’s roof was equipped with 12 photoelectric cells that created an electric current to power the car’s tiny motor.
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