What term did Wheeler coin for the uncertain nature of space-time?
Quantum foam
Cosmic lattice
Space-time web
Gravitational mesh
Answer
Quantum foam is a term coined by physicist John Wheeler to describe the uncertain nature of space-time at the smallest scales. It suggests that the fabric of space-time is not smooth but rather a seething sea of tiny, rapidly fluctuating quantum fluctuations, where virtual particles are constantly popping into and out of existence.
Wondrous Wheeler: Unraveling the Legacy of John Archibald Wheeler
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