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The short answer is no. What you are talking about is sometimes referred to as a perfect machine. Because of friction and other factors, energy is always lost. The only example of 100% efficiency has been observed by the collisions of atoms in a supercollider, in which the atoms are broken down into a frictionless liquid. The frictionless liquid is at extreme temperature and is very short lived.

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15y ago

What else can I help you with?