Quantum foam
Fluctuation of spacetime on very small scales / From Wikipedia, the free encyclopedia
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For related articles, see Quantum vacuum (disambiguation).
Quantum foam or spacetime foam is a theoretical quantum fluctuation of spacetime on very small scales due to quantum mechanics. The theory predicts that at these small scales, particles of matter and antimatter are constantly created and destroyed. These subatomic objects are called virtual particles.[1] The idea was devised by John Wheeler in 1955.[2][3]