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A New Tool for Finding Dark Matter Digs Up Nothing
...gravitational waves that pass through the planet, created by the distant collisions of black holes, only stretch and compress each mile of Earth’s surface by one-thousandth the diameter of an...
Physicists Use Quantum Mechanics to Pull Energy out of Nothing
...entanglement. Black holes shrink by emitting radiation entangled with their interiors, a process that can also be viewed as the black hole swallowing dollops of negative energy. Hotta noted that...
Shadows in the Big Bang Afterglow Reveal Invisible Cosmic Structures
...suggests that blasts from supernovas and accreting supermassive black holes forced the gas away from its dark matter nodes, spreading it out so that it was too thin and cold...
Neutrinos Linked With Cosmic Source for the First Time
...tracing ultrahigh-energy neutrinos back to their astrophysical source. That source appears to be a supermassive black hole at the center of a distant galaxy. Every time a black hole gobbles...
How Our Reality May Be a Sum of All Possible Realities
...approach to argue that information leaks out of dying black holes. This “seems to be the richer point of view to take,” said Simon Ross, a quantum gravity theorist at...
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...
Dark Matter Recipe Calls for One Part Superfluid
...field with two colliding black holes and you’ll create gravitational waves. Likewise, if you poke a superfluid, you’ll produce phonons — sound waves in the superfluid itself. These phonons give...
Eva Silverstein’s Spirals and Strings
...down sensible equations about what might happen inside black holes or during the Big Bang. But string theory describes invisibly tiny details of reality — vibrating strings at the hearts...