Definition of 'Energy"
Energy is a fundamental quantity that every physical system possesses; it allows us to predict how much work the system could be made to do, or how much heat it can produce or absorb. In the past, energy was discussed in terms of easily observable effects it has on the properties of objects or changes in state of various systems. Basically, if something changes, some sort of energy was involved in that change.
You will find the links to the 'Energy' opinion papers, and reports and papers on the left navigation bar.
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