On 26 Aug, 11:42, "ronaldbutton" wrote:

What's a gravity wave ? *!

I once thought it was something in astrophysics until someone on here
pointed out it is just the physical passage of something due to the
perstaltic like action of geo-phenomena. In that case IIRC it was the
dust falling from a cloud that appears from time to time in Australia.

IMNTWDE, these things are all the same in the sky or in the sea. Tidal
waves.

Great flim though.