reader comments 37 with 33 posters participating Share this story The successful gravitational-wave detections just keep coming for the LIGO-Virgo-KAGRA collaboration, which has now confirmed two separate “mixed” mergers between black holes and neutron stars, sending powerful gravitational waves rippling … Read more
Physicist Markus Aspelmeyer vividly remembers the day, nearly a decade ago, that a visitor to his lab declared the gravitational pull of his office chair too weak to measure. Measurable or not, this force certainly ought to exist. Ever since … Read more
With Kerr’s equations in hand, Blandford and Znajek showed that when magnetic field lines from the accretion disk fall onto the spinning hole, the black hole’s rotation will wind the field lines into a helix oriented along the hole’s rotation … Read more