11 February 2016

Einstein’s Gravity Waves Are Real

Posted by Dan Satterfield

This is one of the two instruments that detected the gravity waves. LIGO is made up of two long arms at 90 degree angles. The distance between the ends of both arms will change when a gravity wave passes by. Image from Cal-Tech.

This is one of the two instruments that detected the gravity waves. LIGO is made up of two long arms at 90 degree angles. The distance between the ends of both arms will change when a gravity wave passes by. Image from Cal-Tech.

The American Physical Society has a good write up on the gravity wave discovery announced today here. AP Science writer Seth Borenstein has some background as well.

The actual published paper is here: http://journals.aps.org/prl/pdf/10.1103/PhysRevLett.116.061102

More on how LIGO works here: