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Craig Callender on the Trouble With Black Hole Thermodynamics
Craig Callender explains why the connection between black holes and thermodynamics is little more than an analogy. Peggy Peattie for Quanta Magazine...
A New Blast May Have Forged Cosmic Gold
...space-time so much that gravitational waves roar out of the system. LIGO (the Laser Interferometer Gravitational-Wave Observatory), which has already succeeded at “hearing” such a crescendo between merging black holes,...
Peering Into the Early Universe
...time when the first stars and chemical elements and black holes and other exotica came into existence for the first time,” said Gerry Gilmore, an astronomer at Cambridge University. The...
String Theory Meets Loop Quantum Gravity
...requiring a black hole to let information escape would destroy the delicate structure of empty space around the black hole’s horizon, thereby creating a highly energetic barrier — a black...
The Most Famous Paradox in Physics Nears Its End
...how paradoxical black holes really are. His first studies of black holes, when he was a graduate student in the ’70s, were key to his adviser Stephen Hawking’s realization that...
Paradoxical Crystal Baffles Physicists
...Lifshitz-Kosevich formula was presaged in 2010 by Sean Hartnoll and Diego Hofman, both then at Harvard University, in a paper that recast strongly correlated materials as higher-dimensional black holes, those...
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 ‘Beautiful Confusion’ of the First Billion Years Comes Into View
...filled with black holes formed in this way. But cosmologists have struggled to understand supermassive black holes. These black holes somehow grew large enough, and fast enough, to shape the...
Interactive: What Is Space?
...of space-time, overturning Isaac Newton’s classic theory and correctly predicting the existence of black holes and gravity’s ability to bend light. But a century later, the fundamental nature of space-time...