a: Energy ~
b: perfect money
What: "Thus, when an object does work on another object, the energy can only be converted and/or transferred, but never lost or generated anew. In a sense, energy is like perfect money - transferred but always preserved, assuming no inflation or deflation!"
Useful?
Writer: Not Stated
LCC:
Where: Reference Link Has Evaporated
Date: Feb 11 2012 1:17 PM
# 1679 Critique Analogy