What Is Energy?
Description
Energy is the strongest force in the universe. But where did it come from? This program covers the origins of energy, energy through the ages, physical and chemical changes, and the definition of energy. We’ll also explore energy in different forms, including fire and its discovery, calorific energy, the invention of machines, petroleum, windmills, photosynthesis, the Sun, energy reserves, and mechanical, electrical, and luminous energies.
Runtime
13 min 55 sec
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