[ExI] Gravitational Waves Detected By LIGO!

[Giovanni Santostasi]

Gravitational waves were the subject of my PhD dissertation. I worked for
LIGO for several years before I switched to work in neuroscience. I have
about 40 papers authored with the collaboration. My advisor spent all his
science career observing noise. Everybody knew it would have been one of
the most incredible discoveries in science if we detect GWs but it was very
frustrating to look at years of data that was only noise.
This is now changed and it is an amazing feeling.
A new window on the universe is now open.

Giovanni

On Thu, Feb 11, 2016 at 11:34 AM, Giulio Prisco <giulio at gmail.com> wrote:

> I'm wondering how many zillions of sentient beings died as a result of the
> black hole fusion event.
>
> 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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