See For Yourself - Purves Lab's optical illusions web page with empirical explanations of familiar and unfamiliar illusions.
posted on Nov 16, 2007 - View this thread

Steve Mann's hydraulophone with sculpture gallery and performance video snippets: [1] [2] [3]
posted on Aug 27, 2007 - View this thread

Ear Hair Cell Rocks Around the Clock
posted on Jan 23, 2006 - View this thread

The Sound of a Distant Rumble: Using monitoring devices originally intended to pick up the sound of nuke launches, researchers track the underwater noise generated by the December 26 (tsunami) earthquake. Eerie audio file of the slowly-building roar is included on the page. (More info here as well)
posted on Jul 22, 2005 - View this thread

Dr Hugo's Museum of the Mind - Synaesthesia
posted on Jan 20, 2005 - View this thread

In space, you can hear a black hole sing (WaPo link). Using the Chandra X-Ray Observatory, astrophysicists have detected a supermassive black hole in the Perseus Cluster which has been "playing" a B-flat for 3 billion years.

Fascinating as this seemingly counterintuitive discovery (sound carrying through space) is, the real significance lies in that these "sound waves" may explain why the superhot gases in such regions aren't cooling down and forming more stars.
posted on Sep 10, 2003 - View this thread

Start-up demonstrates sound focusing technology. Basically, they can project a sound to a specific point/person from up to 100m away. Minority Report is coming closer to reality by the day...
posted on May 20, 2003 - View this thread

A Stunning finding Perhaps some rock groups do this too.
posted on Jan 31, 2001 - View this thread