Summary

San Francisco - California - c/u Exploratorium sign - Palace of Fine Arts - the Exploratorium science museum - display of two rotating optical illusions - man listening through long glass tubes - swinging marker in concentric circles - c/u mirror as hand moves - c/u hypnotic swirling coil - video monitor with man seated - video monitor with c/u of b&w face - pixelated - negative image - man and mirror humorous optical illusion routine