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Experience the Exploratorium. Let your curiosity roam free through hundreds of exhibits in our six spacious indoor and outdoor galleries at Pier 15, San Francisco.

With polarized light, you can make a stained glass window without glass. Using transparent tape and polarizing material, you can make and project beautifully colored patterns reminiscent of abstract ...

When we think about objects that respond to magnets, fruit usually doesn't come to mind. Watch a rare-earth magnet repel a grape and discover different kinds of magnetism. A note on magnets: Only ...

Build a paper-pencil-pin phonograph. In this classic activity, make a record player out of simple materials and listen to your favorite vinyl LP—no outlet required. Starting in one corner, roll the ...

Polarizing sunglasses cut road glare better in some positions than in others. When light reflects from water, asphalt, or other nonmetallic surfaces, it becomes polarized—that is, the reflected light ...

Hone your electrostatic levitation skills and fly some tinsel. Next time you’re in the vicinity of a Christmas tree, impress your friends and family with a little levitation. By experimenting with ...

Discover why your favorite cat videos don't leak out of optical fibers. A transparent material, such as glass or water, can actually reflect light better than any mirror. All you have to do is look at ...

Create your own personal sound system with a coat hanger and string. Create your own personal sound system with a coat hanger and a string, producing musical sounds that only you can hear Cut two ...

Discover why the sky is blue and the sunset is red. When sunlight travels through the atmosphere, blue light scatters more than the other colors, leaving a dominant yellow-orange hue to the ...

Store up an electric charge, then make sparks. Tired of electrostatic experiments that just won’t work? This experiment will produce a spark that you can feel, see, and hear. Rub a foam plate with ...

See yourself as others see you. Two hinged mirrors create a kaleidoscope that shows multiple images of an object. When you set the hinged mirrors on top of a third mirror, you create a reflector that ...