as to the benefit of GW: it determines which of the several current assumptions of the universe "type" are wrong, which are somewhat wrong and which are a bit right.
http://www.scientificamerican.com/ar...ational-waves/
or maybe that only applies to the ones still around from the bigbang. I dunno. dang I wish I had some form of scientific education. in the universe of my brain, every minute particle of understood stuff floats around unattached to and unaware of the next particle. it's utter chaos.