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The Hidden Structure of the Universe
...substance as pervasive as the pre-Einsteinian aether, and just as poorly understood. Physicists probing the paradoxes of black holes have grown convinced that there’s a fundamental connection between information and...
The Webb Space Telescope Will Rewrite Cosmic History. If It Works.
...stars, to learn about the invisible matter whose gravity coaxed them into being, and about the roles of magnetism and turbulence, and how enormous black holes grew and worked their...
Four Years On, New Experiment Sees No Sign of ‘Cosmic Dawn’
...time, the first stars collapsed into black holes. The hot gas swirling around these black holes generated X-rays that heated hydrogen clouds throughout the universe, increasing the rate of 21-centimeter...
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...
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...