Experimental Soft Condensed Matter Group Harvard University, Prof. D. A. Weitz Cool Picture of the Moment

The movie shows an oscillatory stress being applied to the gel (1μm fluorescent beads in polyacrylamide) by a rheometer while being observed with a Nipkow spinning disk based confocal at 5 frames per second. This z slice movie is 70um from the bottom surface.

For more information contact Tom Kodger.

Past cool pictures...