Masks are required for all visitors 2+. Vaccines recommended. Plan your visit
A color photo is three pictures in one.
Play with beams of light.
Powder inside a fluorescent tube makes invisible light visible.
Watch the patterns change as the Earth turns and the Sun moves across the sky.
(Embarcadero at Green Street)
San Francisco, CA 94111
Get at-home activities and learning tools delivered straight to your inbox