Learn with us online while the Exploratorium is temporarily closed. You can help us reopen—donate today.
When light passes from one clear medium into another, it (usually) bends—a phenomenon called refraction. Distortions caused by refraction are part of why you can see objects that are clear.
Where: Bechtel Gallery 3: Seeing & Listening
This giant balloon bends sound waves just as a lens bends light.
Where: This exhibit is not currently on view.
Your brain adapts quickly to a warped view of the world, turning baskets into air balls.
Lenses transmit an image of your face across space.
Play with beams of light.
Explainers do biology and botony demonstrations.
Where: Gallery 4: Living Systems
Explainers do light and sound demonstrations.
Created by artist Bob Miller, this classic Exploratorium exhibit is a “live” painting that uses light from the Sun as its palette.
Ordinarily, water freezes too slowly to be appreciated. Here, polarized light and an ultra cold slab let you watch water crystalize rapidly in real time. The colorful mosaic of ice that forms is different every time.
Where: Fisher Bay Observatory Gallery 6, Mezzanine
(Embarcadero at Green Street)
San Francisco, CA 94111
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