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Apr
15
awarded  Autobiographer
Nov
29
awarded  Student
Oct
8
awarded  Scholar
Oct
8
accepted Does turning a light off save electricity in a room heated by an electric space heater?
Oct
8
awarded  Supporter
Oct
8
comment Does turning a light off save electricity in a room heated by an electric space heater?
Doesn't all the visible light get converted to heat once it hits surfaces in the room? In effect making it 100% efficient at creating heat.
Oct
8
asked Does turning a light off save electricity in a room heated by an electric space heater?
Nov
15
comment How to measure speed of a ceiling fan?
@Cruncher That's Heisenberg's Fan-Straw Uncertainty Corollary!