Wednesday, August 22, 2007

Interview with a Scientist - Ken Ritchie

Lasers and bacterial cells - they go together like peanut butter and jelly. Prof. Ken Ritchie, Professor of Physics at Purdue uses lasers to "light up" individual molecules on the surface of cells. By taking pictures and videos of these cells he can study cellular processes that help single cell organisms build their membranes and orient themselves in their environment.

Science Theater Interview 04: Ken Ritchie

Wednesday, August 08, 2007

Mirrors and Images - Episode 28

Mirrors don't let you see things that aren't there, they let you see things from an entirely different position! Your image in a mirror is what someone else would see if they were standing behind the mirror. It's all a matter of tracing the path of light from your eye to an object, or from the object to your eye.

Science Theater Episode 28:Mirrors and Images

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