Stephen Hawking claimed black holes are portals to another universe – but there’s no coming back

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Stephen Hawking

Professor Stephen Hawking onstage during the New Space Exploration Initiative “Breakthrough Starshot”

The British physicist has been arguing his case on black holes for decades. Last year, he made a speech at Harvard University, claiming they “aren’t the eternal prisons they were once thought” due to them having a “back door”. Hawking and his fellow researchers seem to think these hairs could solve the central paradox of black holes, backing up the basic laws of the universe which state that anything that has ever existed is preserved via its information.

“Things can get out of a black hole, both from the outside and possibly through another universe,” he said. “If you feel you are trapped in a black hole, don’t give up. There is a way out.”

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He added: “The existence of alternative histories with black holes suggests this might be possible. The hole would need to be large and if it was rotating it might have a passage to another universe. But you couldn’t come back to our universe.”

Hawking has made other crazy claims in the past when it comes to black holes. Last year he said we could power the whole of human society if only we could somehow harness the energy of a mountain-sized black hole.

However, he admitted that if we failed to control it, it could sink into the middle of the Earth and begin feasting on human beings, our home planet and eventually the entire solar system.

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