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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...
The Quest to Quantify Quantumness
...on phases of quantum matter and the destructive nature of black holes. For these reasons, both physicists and computer scientists have endeavored to map out the exact topography of this...
It Might Be Possible to Detect Gravitons After All
...to first sense a rumble in space-time in 2015 — one sent out by a collision between distant black holes. Detecting a single graviton would be harder still, akin to...
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...
How Einstein Lost His Bearings, and With Them, General Relativity
...proven especially acute for mathematicians who study the so-called black hole stability conjecture, which I wrote about in my recent article “To Test Einstein’s Equations, Poke a Black Hole.” Depending...
Mathematicians Tame Rogue Waves, Lighting Up Future of LEDs
...waves then interfere with each other in a bewildering number of ways. And, just as you can combine every color to get black, when you combine such a complicated mix...