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How Holography Could Help Solve Quantum Gravity
...black holes and the Big Bang, where extreme gravity operates at tiny scales. We hope you enjoyed this second episode from season two of Quanta’s In Theory video series. Season...
Without a Proof, Mathematicians Wonder How Much Evidence Is Enough
...complicated or forbidding to study directly. By creating a black hole analogue in a laboratory, you might be able to learn something about how real black holes behave without having...
Astronomers Creep Up to the Edge of the Milky Way’s Black Hole
...the black hole’s flickering, that motion would be linear, as blobs traveled outward and cooled, Eisenhauer said. If clumps in the disk around the black hole were responsible, the motion...
A Short History of the Missing Universe
...quasars — the bright cores of galaxies with active black holes at their center — using the new spectrograph at the Keck telescope in Hawaii. Tytler’s data helped researchers understand...
The End of Theoretical Physics as We Know It
...no one can calculate how they come together to make a proton. The equations just can’t be solved by any known methods. Similarly, a merger of black holes or even...
Black Hole Firewalls Could Be Too Tepid to Burn
String theorists elide a paradox about black holes by extinguishing the walls of fire feared to surround them. Despite its ability to bend both minds and space, an Einsteinian black...
Star-Swallowing Black Holes Reveal Secrets in Exotic Light Shows
...distant universe. (Quasars are now known to be supermassive black holes feeding on surrounding gas, not stars.) But in 1988, the British cosmologist Martin Rees realized that black holes snacking...
Neutrinos Linked With Cosmic Source for the First Time
...tracing ultrahigh-energy neutrinos back to their astrophysical source. That source appears to be a supermassive black hole at the center of a distant galaxy. Every time a black hole gobbles...
Salamander’s Genome Guards Secrets of Limb Regrowth
...They wear their gills on the outside, a set of three feathery horns on each side of the head. Their four-fingered hands with black nails are delicate and vaguely human...