Proof of full COVID-19 vaccination is now required for all visitors ages
12+. Plan your visit
Your experience of the world influences what you see.
If you want to stay hidden, you'd better stay still.
Investigate how to predict the color of an afterimage.
Art and science meet in a tube of mirrors.
Mira fijamente un color, pero ve otro.
Proyecta imágenes del sol sobre un papel usando tus manos.
Test your vision—just by moving your head.
See shadowy shapes floating inside your own eye.
Submerge yourself in underwater color perception.
Is pure water colorless?
Control the (apparent) size of a hole with your brain.
(Embarcadero at Green Street)
San Francisco, CA 94111
Get at-home activities and learning tools delivered straight to your inbox