Learn with us online while the Exploratorium is temporarily closed. You can help us reopen—donate today.
Step inside—and reflect.
A reflector stretches light from colored tiles into long bright ribbons.
Freezing water forms a spiky kaleidoscope of colorful crystals.
Without depth perception, random lines can become a chair!
Reflect on the ins and outs of mirrors.
Can you believe your eyes?
Shine some light on brine shrimp behavior.
Meet Douglas Hollis, the artist behind Archimedes.
Our new Shadow Box is made of large phosphor screens which store light from a strobe flash, temporarily freezing the visitor's shadow.
Overlapping pools of red, blue, and green create a Venn diagram of additive color.
Where did all the colors go?
Your sense of touch can surprise you.
(Embarcadero at Green Street)
San Francisco, CA 94111
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