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