For just one-tenth of a second in May 2019, the universe delivered a signal that did not fit the usual script. LIGO and Virgo ...
In May 2019, astronomers picked up something strange in the fabric of spacetime. The LIGO and Virgo detectors recorded a gravitational wave that lasted just one-tenth of a second. The signal, known as ...
“The whole thing is very hypothetical at this point,” Stephen Hsu said of wormholes, a caution that still defines the subject even as the idea keeps resurfacing in serious physics. The appeal is ...