Catching sight of an actual gravity wave, however, is a tricky busines
Look at a share price chart of WAVX for the first six months of this year.
If that ain't a view of gravity/Wave, I don't know what is. 
Sorry, sometimes I just can't help myself.
(I DO find this high level physics stuff interesting, but a bit over my head as I haven't kept up with it much at all since my courses in relativity, quantum mechanics, etc exactly four decades ago. Gosh, what little we knew then compared to now.)