This switch is closed when you squeeze the glove. The idea came from a project that Mike and Karen at the Exploratorium did with artist Bernie Lubell on how to move bursts of air with everyday materials. We did a three-hour workshop using this switch this winter.

Okay next - adding the light... So these are quite beautiful... Its also very interesting that some researchers are focused in recreating caustics in the field of computer graphics. Henrik Wann Jensen is an associate professor at the University of California at San Diego, where he is working in the computer graphics lab..