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Mathematicians Attempt to Glimpse Past the Big Bang
...Observatory in Greenwich. Something similar happens at the boundary of mathematical models of black holes. The equations that describe spherical nonrotating black holes, worked out by the physicist Karl Schwarzschild...
Dogged Dark Matter Hunters Find New Hiding Places to Check
...play. Some theoretical physicists are reconsidering a long-sidelined idea that this invisible matter might take the form of primordial black holes created during the Big Bang. One more possibility is...
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...
Hopes of Big Bang Discoveries Ride on a Future Spacecraft
...a few billion. This will let LISA listen in on astrophysical events that ground-based observatories can’t “hear,” such as the mergers of supermassive black holes (as opposed to star-sized black...
Can Information Escape a Black Hole?
...century, when black holes were originally discovered. And I would love it if you could take us through the general relativistic understanding of black holes, without the complications of quantum...
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...
What Is Quantum Teleportation?
...with Janna Levin, we’d eventually be talking about black holes. LEVIN: [laughing] I can turn any conversation into a conversation about black holes. PRESKILL: No surprise there. Actually, I think...
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...
To See Black Holes in Stunning Detail, She Uses ‘Echoes’ Like a Bat
...black holes. More than that, if we want to get at the question of how black holes grow, we need to look at black holes that are actively growing right...