Schlieren Optics

Published 9 years ago in Science. Submitted by moese

Demonstration of an optical technique that allows us to see small changes in the index of refraction in air. A point source of light is reflected from a concave mirror and focused onto the edge of a razor blade, which is mounted in front of the camera. Light refracted near the mi…
Read more…

• 2564 views
• 6 comments
• Rating:

Richard Turner - The Cheat

Published 10 years ago in Awesome. Submitted by Sizzlik

Richard Turner has achieved legendary status in the world of card magicians. However, Richard Turner is not a magician nor does he claim to be one—he demonstrates card cheating. Of course, all of this is made even more impressive given that Mr. Turner is blind. The bio-segm…
Read more…

• 2433 views
• 5 comments
• Rating:

Nice motorbike sound

Published 7 years ago in Inspirational. Submitted by pignmar41

• 2431 views
• 6 comments
• Rating:

Luciano Rosso craziest playback ever !

Published 8 years ago in Awesome. Submitted by Glubok

• 2288 views
• 21 comments
• Rating:

What I learned from going blind in space

Published 10 years ago in Documentary

Ted Talk by Chris Hadfield

• 2276 views
• 8 comments
• Rating: