Masks are required for all visitors 2+. Vaccines recommended. Plan your visit
Explore the value of objects lost and recovered.
Join expert Zolt Levay for a peek at the Hubble Telescope's photos.
A brief history of robots' photos from other planets.
The legendary Joshua Light Show returns to the Exploratorium.
Cameras taught us the math of vision—find out how.
A balloon acts as a lens to focus sound.
Short bursts of moving images produce some interesting effects.
Know your C, M, Y, and K.
Create graceful loops and spirals by drawing on a spinning disk.
Discover art and science in a myriad of spherical reflections.
So close, yet so far away.
With polarized light, you can make a stained glass window without glass.
(Embarcadero at Green Street)
San Francisco, CA 94111
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