Quiz(19th Sep) : Discovery of Gravitational Waves ?

[a4illusionist]

According to paper published on 11th Feb, 2016 by Ligo and Virgo, When were Gravitational waves detected on earth ?

1. 14 Sep, 2015
2. 11 June, 2011
3. 1 January, 2010
4. 11 September 1999

Hint : Google has the answer.
Note : Winners will be rewarded on Payout day.

Comments

[magnata]

September 14, 2015

[outwalking]

Sep 14, 2015. I like open book tests.

[chamudiliyanage]

1. 14 Sep, 2015

[redeyes]

good info

[anyway]

September 14, 2015
thank you, a4illusionist and https://www.ligo.caltech.edu/news/ligo20160211

[diya28]

14 Sep, 2015

[eternalsunshine]

14 Sep, 2015