Learn with us online while the Exploratorium is temporarily closed. You can help us reopen—donate today.
Create a sound system for music only you can hear.
Viscous liquids create a mesmerizing light display.
Did you know that gravitational waves originating from outer space actually carry enough force to stretch and compress our planet?
Is pure water colorless?
Cheer on the competitors in this zany science cook-off.
A constant stream of air forces a lightweight piece of free-flowing fabric up into the air.
Shadows made with laser light have light and dark bands.
You see transparent objects because they bend light.
Parabolic dishes collect and focus sound waves and reflect them to participants seated within them.
See how strings behave when they vibrate and make sound.
Confusing sensory information can be profoundly disturbing.
(Embarcadero at Green Street)
San Francisco, CA 94111
Get at-home activities and learning tools delivered straight to your inbox