Sunday, June 28

Falling into a black hole may convert you into a hologram

In the movie Interstellar, the main character Cooper escapes from a black hole in time to see his daughter Murph in her final days. Some have argued that the movie is so scientific that it should be taught in schools. In reality, many scientists believe that anything sent into a black hole would probably be destroyed. But a new study suggests that this might not be the case after all.

The research says that, rather than being devoured, a person falling into a black hole would actually be absorbed into a hologram—without even noticing. The paper challenges a rival theory stating that anybody falling into a black hole hits a “firewall” and is immediately destroyed.

Hawking’s black holes

Forty years ago, Stephen Hawking shocked the scientific establishment with his discovery that black holes aren’t really black. Classical physics implies that anything falling through the horizon of a black hole can never escape. But Hawking showed that black holes continually emit radiation once quantum effects are taken into account. Unfortunately, for typical astrophysical black holes, the temperature of this radiation is far lower than that of the cosmic microwave background, meaning detecting them is beyond current technology.

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