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Physicists Pin Down How Quantum Uncertainty Sharpens Measurements
...Yunger Halpern and other theorists showed that Kirkwood-Dirac negativity also underlies quantum behavior in contexts besides metrology, including quantum thermodynamics and fast information scrambling in black holes. The researchers say...
In a Monster Star’s Light, a Hint of Darkness
...images of quasars — blazing beacons of light emitted by matter falling into black holes — and found evidence for dark halos as small as hundreds of millions of solar...
What Is the Nature of Time?
...gravitational field, or the universe, or in very extreme conditions, like where there’s a very vast concentrations of mass that curve space in black holes. Then more flexible, bendable or...
Physicists Reveal a Quantum Geometry That Exists Outside of Space and Time
...quantum theory. (Note that these singularities are unrelated to the singularities thought to sit at the heart of black holes.) Singularities led Arkani-Hamed to the amplituhedron and associahedron in the...
AI Comes Up With Bizarre Physics Experiments. But They Work.
...fabric coming from the faraway collision of a pair of black holes. Rana Adhikari, a physicist at the California Institute of Technology, led the detector optimization team in the mid-2000s....
How Quantum Pairs Stitch Space-Time
...named Jacob Bekenstein showed that the information about a black hole’s interior is encoded in its two-dimensional surface area (the “boundary”) rather than within its three-dimensional volume (the “bulk”). Twenty...
Brightest-Ever Space Explosion Reveals Possible Hints of Dark Matter
...“It was really exceptional.” The explosion was a long gamma-ray burst, a cosmic event where a massive dying star unleashes powerful jets of energy as it collapses into a black...
John Urschel: From NFL Player to Mathematician
...you the secret handshake later. Urschel: Okay, perfect, perfect. Strogatz: [LAUGHS] [MUSIC PLAYING] Next time on the Joy of x, cosmologist Janna Levin and I wax poetic about black holes....
Brighter Than a Billion Billion Suns: Gamma-Ray Bursts Continue to Surprise
...from stars more than 20 times the mass of our sun collapsing into black holes and exploding as supernovas. The latter, which last only up to about a second, are...