http://www.sciam.com/article.cfm?articleID=000ADA62-D854-137C-962A83414B7F0000&ref=sciam&chanID=sa006
Scientific American: An ECHO of Black Holes [ PHYSICS ]
Sound waves in a fluid behave uncannily like light waves in space.
Black holes even have acoustic counterparts. Could spacetime literally be a kind of fluid, like the ether of pre-Einsteinian physics?
The above article is a front cover story in Scientific American that questions Special Relativity and suggests evidence for an Aether.
Dave