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Results tagged with vacuum
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user 165621
A region of space devoid of any fluid molecules resulting in a zero pressure in ideal cases. In practice, even space has a small but finite number of molecules. In QFT, it signifies the ground state devoid of excitations/particles.
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Can one obtain free energy from the vacuum?
Yes, but no, as any energy "gained" would not only be undetectable, but would never last. For every virtual particle, there is a virtual antiparticle. Even if you did manage to "extract" energy throug …
