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LIGO Architects Win Nobel Prize in Physics
...in the discovery of “gravitational waves,” tiny ripples in space-time set in motion by faraway cataclysms such as the collisions of black holes. The existence of gravitational waves was predicted...
A New Map of the Universe, Painted With Cosmic Neutrinos
...step. Little is known about how the activity around some supermassive black holes generates these particles, and so far the evidence points to multiple processes or circumstances. Long-Sought Origin Abundant...
How Radio Astronomy Reveals the Universe
...massive stars known as pulsars, the cosmic microwave background (light bearing the fingerprints of the Big Bang itself), and the first signs of supermassive black holes at the centers of...
Why Locusts Swarm, Humans Do Good and Time Marches On
...theoretical physicist Lenny Susskind assured me that every last qubit of quantum information will languidly leak from the black hole in Hawking radiation until the evaporation escalates and the black...
Juan Maldacena, Pondering Quantum Gravity by the Pond
...2013 with a cryptic message first delivered in an email to fellow physics giant Leonard Susskind: “ER = EPR.” It meant that wormholes, hypothetical connections between far-apart black holes also...
Long-Lived Stellar Blast Kindles Hope of a Supernova We’ve Never Seen Before
...a preview of how they may have looked and behaved. Perhaps they were also responsible for the first black holes, said Stan Woosley, an astrophysicist at the University of California,...
Cosmic Map of Ultrahigh-Energy Particles Points to Long-Hidden Treasures
...galaxies: objects called active galactic nuclei, or AGNs. AGNs are the white-hot centers of “active” galaxies, in which plasma engulfs the central supermassive black hole. The black hole sucks the...
Topologists Tackle the Trouble With Poll Placement
...time to vote. Empty areas completely surrounded by the shapes are called holes. The holes are where residents would be either making their way to the polls or waiting in...
AI Starts to Sift Through String Theory’s Near-Endless Possibilities
...space-times surrounding exotic black holes. Perhaps, he speculated, computers could also solve for the metrics of Calabi-Yau space-times. “Everyone said, ‘Oh, no, you couldn’t possibly do that,’” Wiseman said. “So...