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sonoma95436 t1_j3ndd43 wrote

Why not. In a ICE you can recover some wasted heat with a turbocharger. How do you recover wasted heat with a CPU? In fact you have to use more energy to cool it.

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BobisaMiner t1_j3ohwj6 wrote

Sorry I wasn't clear. My point was heat in a cpu is a by-product by design and yeah it's always going to be 100% wasted. I guess it heats our rooms, that's something.

But in an ICE where heat(thermal energy) is what is converted to movement.

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sonoma95436 t1_j3oy1wy wrote

In a ICE expanding heated gas from combustion is converted to mechanical energy but waste heat is inefficiency. More direct heat to energy would be a steam engine which is external combustion although steam is released which is a waste heat.

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