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By chewing on the problems posed by “extremal” black holes, physicists have exposed a surprising and universal connection between energy and entropy.
Einstein’s equations describe three canonical configurations of space-time. Now one of these three — important in the study of quantum gravity — has been shown to be inherently unstable.
For the first time, physicists have calculated exactly what kind of singularity lies at the center of a realistic black hole.
Lurking behind Einstein’s theory of gravity and our modern understanding of particle physics is the deceptively simple idea of symmetry. But physicists are beginning to question whether focusing on symmetry is still as productive as it once was.
The same codes needed to thwart errors in quantum computers may also give the fabric of space-time its intrinsic robustness.
Two independent papers vanquish lingering doubts about LIGO’s historic discovery of gravitational waves.
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