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Priyamvada Natarajan: How Black Holes Shape Galaxies
Priyamvada Natarajan explains the role of supermassive black holes in the structure and evolution of the universe. Sasha Maslov for Quanta Magazine...
An Astrophysicist Who Maps the Universe’s Terra Incognita
...reactor — these black holes. So black holes are compact inner parts of the stars that have gravitationally collapsed and have become unbelievably dense. There’s no analogue. It’s not lead;...
The Double Life of Black Holes
Perfect black holes are versatile mathematical tools. Just don’t mistake them for the real thing. There are astrophysical black holes, and then there are mathematical ones. Astrophysical black holes sit...
How Space and Time Could Be a Quantum Error-Correcting Code
...both kinds of universes contain black holes. “The most fundamental property of gravity is that there are black holes,” said Harlow, who is now an assistant professor of physics at...
The Year in Physics
...black holes gets destroyed and can never be retrieved. He lost that bet; physicists now believe information somehow escapes black holes. But how it gets out — a question raised...
New Studies Rescue Gravitational-Wave Signal From the Noise
...their criticism on the experiment’s famous first signal, a squiggly line — representing the collision of giant black holes more than a billion light-years away — that was printed in...
Why Black Hole Interiors Grow (Almost) Forever
...black holes to slowly evaporate away, giving rise to the much-discussed “black hole information paradox,” which asks what happens to information that falls into black holes. Quantum mechanics says the...
On the Best Use of Science to Safeguard Humanity
...in astronomy? Well, so much new information was coming in. You saw the first evidence of the Big Bang, black holes, quasars. Think about this: I was only a first-year...
New Quantum Paradox Clarifies Where Our Views of Reality Go Wrong
...of humans and even lesser, [whether] it extends to objects the size of black holes.” Despite this lack of empirical evidence, physicists think that quantum mechanics can be used to...