Articles about LIGO and Gravity Waves

Read these:

http://phys.org/news/2016-02-gravitational-window-universe.html

http://phys.org/news/2016-02-ligo.html

Watch this:

 

Put this paper in the folder you shared with me previously

Call it: “Astro Paper 2”

Tell me:

How the detector works.  1 Paragraph

What the detector saw: 1 Paragraph

Why is this revolutionary/new/important/ a big deal: 1 Paragraph