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[–] 2 points 3 months ago

Also it's fundamentally a heat engine. Even a fusion reactor is a heat engine bounded by Carnot efficiency, which is the maximum theoretical efficiency of a system determined by the absolute temperature of your hot and cold sides.

Which means his arc reactor should be hot enough to cook him unless he's got some crazy external cooling. Our bodies produce around 100w of heat, and some of the stuff ironman does with his suit would require a few million watts of energy to pull off.

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