Science
One of quantum physics’ greatest paradoxes may have lost its leading explanation – Science Magazine
Underground experiment undermines gravity as the cause of quantum collapse

Gravity is unlikely to be the cause of quantum collapse, suggests an underground experiment at Italys Gran Sasso National Laboratory.
Tommaso Guicciardini/Science Source
By George MusserSep. 7, 2020 , 11:00 AM
Its one of the oddest tenets of quantum theory: a particle can be in two places at onceyet we only ever see it here or there. Textbooks state that the act of observing the particle collapses it, such that it appears at random in only of its two locations. But physicists quarrel over w…
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