CHAPTER 3
ONE ENERGY SOURCE FLOWS TO THE NEXT: LIGHT, WIND, AND ELECTROMAGNETIC FIELDS
THE WORLD COMES IN WAVES
Rainbows, jump ropes, and blue skies—these are great subjects for starting to understand energy. Here is a crucial piece of information to know up front: Energy can change forms. It might start out in the form of wind energy, for example, and be turned into electricity. Energy can never be destroyed, but at the same time, neither can it be made. It can only change forms. The amount of energy we have in the universe right now is all of the energy we ever will have.
Leonardo was aware that the energy of the air (wind) was related to the energy of water’s waves and that both were related to the energy of the Sun. He was fascinated with ...
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