A bomb from a black hole would probably be the most destructive weapon in the universe. Hypothetically, it could be created by wrapping one of these cosmic monsters in mirrors and waiting for it to go “boom.” Now Hendrik Ulbricht of the University of Southampton in England and his colleagues have demonstrated this principle, called superradiance, in the lab using a rotating metal cylinder instead of a black hole. They submitted their results, which have not yet been peer-reviewed, to the preprint server arXiv.org in late March.
“This work shows that a ‘black hole bomb’ can actually be built in the laboratory,” says physicist Vitor Cardoso of the Niels Bohr Institute in Denmark, who was not involved in the study. “It thus provides a solid basis for studying the entire physics of black holes.”
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