Measuring the Quantum Foam
11 min readFeb 21, 2021
Introduction
Quantum foam or spacetime foam is the quantum fluctuation of spacetime on very small scales due to quantum mechanics. The idea was devised by John Wheeler in 1955.
Very little is known about the quantum foam or fluctuations, or vacuum energy. We don’t even have a decent name for it. It is thought that it is related to the source of dark energy, and other important phenomena in…