11 February 2016 | 5:53 pm

That is the sound of the gravitational waves hitting the LIGO detector. A chirp. That is also the sound of the celebratory hurrah’s from the gravity community. We  finally have experimental (observational) confirmation to a prediction made by Einstein’s theory of general relativity 100 years ago. The quest to hear gravitational waves started about 50 […]

Gravitational waves announcement from LIGO expected
10 February 2016 | 11:28 pm

As the rumor noise level has increased over the last few weeks, and LIGO has a press conference scheduled for tomorrow morning, everyone in the gravity community is expecting that LIGO will announce the first detection of gravitational waves.   A roundup of rumors can be found here and here and here and here. Preprints with postdictions that sound […]

GR turns 100
25 November 2015 | 6:24 pm

For those of you who have free time to read on the history of gravitation, here is a good link to many famous papers on the subject:   http://journals.aps.org/general-relativity-centennial Happy anniversary GR!  Filed under: gravity, relativity

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