[ExI] Gravitational Waves Detected By LIGO!

[Giulio Prisco]

Just watched webcast, great stuff!

> On Feb 11, 2016, at 5:13 PM, John Clark <johnkclark at gmail.com> wrote:
> 
> On Sept. 14​ ​at 4am the LIGO ​detector in ​Livingston​ Louisiana  ​detected a burst ​​of gravitational waves, ​7 milliseconds later the LIGO detector in Hanford Washington detected the same thing. The possibility of this being due to chance is vanishingly small​. What they detected was 2 black holes circling each other at 250 times a second, one was 36 times the mass of the sun and the other 29 times. The entire signal only lasted for a fifth of a second. 
> 
> http://www.nytimes.com/2016/02/12/science/ligo-gravitational-waves-black-holes-einstein.html​   
> 
> J​ohn K Clark
> 
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