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27. Natural Reality / A. Physics / 4. Energy

[universal physical stuff involved in all actions]

5 ideas
Energy is an unchanging substance, having many forms, and causing all change [Heisenberg]
Energy is that which moves, and is the substance from which everything is made [Heisenberg]
Energy is the key multi-valued property, vital to scientific realism [Ellis]
'Energy' is a quasi-substance invented as the bearer of change during interactions [Harré/Madden]
'Kinetic energy' is used to explain the effects of moving things when they are stopped [Harré/Madden]