
Homes and businesses around the world have solar panels to harness the sun's energy for electricity. But even more remarkably, NASA powered an airplane using solar power in 2001! Achievements in renewable energy are encouraging as the world's reserves of oil, natural gas, and...

Homes and businesses around the world have solar panels to harness the sun's energy for electricity. But even more remarkably, NASA powered an airplane using solar power in 2001! Achievements in renewable energy are encouraging as the world's reserves of oil, natural gas, and...
