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Gravity

Gravity

Black holes destroy nearby quantum superpositions, thought experiment reveals

02 Mar 2023
Event horizon
Killing horizon: a thought experiment suggests that the presence of a black hole can decohere a quantum superposition. (Courtesy: Shutterstock/Rost9)
A new thought experiment suggests that the mere presence of a black hole can destroy a nearby quantu

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Jacklin Kwan is a science writer based in London
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