Energy - the driving force of change

Lacking the concept of energy, ancient people live in a mysterious and fearful world. They saw water coming from the unfriendly darkened sky and accept flood as punishment. Long periods of terribly hot and dry sun caused draught and hunger. They saw only change phenomena, but did not realize changes, let alone their causes.

Changes cause winds, rains, storms, thunders, forest fires, earthquakes, waves, growth, death, decay, ocean tides, freezing, melting, boiling, and burning.

Thanks to Thomson, Newton, Joule, Young, Faraday, and Einstein, we now know the real driving force behind all changes is energy. This energy concept explains all changes. For example:

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E-mail: cchieh@uwaterloo.ca