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Abstract

Physicists seldom allow students in their courses to escape without understanding and being able to perform calculations pertaining to energy. Outside of science circles, however, "energy" generally refers not to an overall conserved quantity but rather to the large-scale conversion of stored energy into electricity, locomotion, or manufacture. Physicists have much less contact with the conversion aspect of energy, though it is tremendously important to society. © 2008 American Institute of Physics.