Who needs expensive optical equipment?
Find out one reason that buildings aren't equal in an earthquake.
Pencil, pin, paper = phonograph.
With polarized light, you can make a stained glass window without gla
Now you see it; now you don't. An object without a sharp edge can fade from your view.
To see or not to see.
Push me a grape.
Use a sheet of liquid crystal to learn about how infrared cameras work.
Make an object sink or float with a simple squeeze.
Grow spikes of crystals in the sun.
It's all done with mirrors!
Pier 15(Embarcadero at Green Street)San Francisco, CA 94111(415) 528-4444
© 2014 Exploratorium
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