Why is 100% efficiency unobtainable?

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I know every conversion of energy has loss, whether its heat, light, noise, etc. But why is there no way to combat it?

In: Physics

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Anonymous 0 Comments

If you had some sort of absolutely 100% perfect machine then you might be able to have 100% efficiency (sometimes theoretical limits make it so that you still can’t).

So achieving 100% efficiency means building a 100% perfect machine with zero flaws whatsoever. Can you see why this is impossible? We can get less and less flaws, but not zero.

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