Masks and vaccinations are recommended. Plan your visit
Step inside—and reflect.
Create vivid images of yourself as you explore movement.
These balls dance in changing patterns as they swing to their own rhythms.
See your friends go from tiny to towering in a few steps.
Use your voice to make visible patterns in sand.
What happens when you double the size of a chair?
Randomly toss some toothpicks, with pi as your reward.
by Pearl Tesler • June 28, 2017
Cardboard gets its Amazonian strength from simple geometry.
We use mathematics to make sense of the world—but how?
Use a slow-moving wheel to investigate position, speed, and acceleration.
What do plants know about numbers? Paul Dancstep investigates.
Pi Day isn't just a day—it's a way of life.
(Embarcadero at Green Street)
San Francisco, CA 94111
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