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11 February 2016
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:
3 June 2015
I spotted this video thanks to Joe Hanson at It’s OK To Be Smart. He said after watching it that he needed to sit down and think for a while. I love reading about relativity, but i agree with Joe! To get you to watch the 10 minute video, a question: You have identical watches, one you wind up and is running the other is not. Do they have the …