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Mathematics

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.

Explore graphing, angles, and storytelling by building a seesaw for your smartphone.

Turn your phone into a pocket science laboratory with tools to measure light, motion, sound, and more.

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