The discovery uncovered

On Thursday, 11 February, Barry Clark Barish, one of the fathers of the LIGO experiment, presented the latest results in a packed Auditorium.

Almost exactly one hundred years after the publication of Einstein’s paper on General Relativity, the LIGO and Virgo collaborations have published a paper in which they show a gravitational signal emitted by the merger of two black holes. The signal has been observed with 5-sigma accuracy and is the first direct observation of gravitational waves. Read more in the Bulletin.