ScienceBlack hole paradox: Hot plasma mirror may help solve...

Black hole paradox: Hot plasma mirror may help solve major physics problem


A few particles of light bouncing off a flying mirror made of charged particles may reveal whether or not black holes destroy information, a famous problem in physics



Physics



3 June 2022

Spiral galaxy and black hole, computer illustration.

Can a plasma mirror solve the black hole information paradox

Andrezej Wojcicki/Science Photo Library

A flying mirror made by blasting a gas of electrons and ions with a powerful laser could help solve a long-standing mystery known as the black hole information paradox.

This paradox arose in 1974 when Stephen Hawking calculated that, according to quantum theory, black holes should emit small amounts of electromagnetic radiation until they eventually evaporate. This so-called Hawking radiation doesn’t hold any information about the contents of the black hole, which means that once a black hole disappears, information …



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