Explore, Play, Discover: Websites, Activities, and More

The 18,000-foot Mt. Parinacota presents some fitness challenges for climbers.

Make an observatory to see the amazing colors in bubbles!

Learn about the giants of the polar seas.

Each webcast, the Exploratorium staff and teachers demonstrate their science projects and compete for the title of IRON SCIENCE TEACHER!

The 1906 earthquake jolted geologists into focusing on how and why faults break loose.

Map sunspots and build an apparatus for safe sunspot viewing!

Learn about the most important piece of equipment-- your feet!

Find out why wind resistance is a big drag for bicyclists, and use our calculator to estimate drag for yourself.

The Maya were expert sky-watchers, careful observers of the motions of the celestial bodies...

Make a spinning disc called a stroboscope, which lets you create your own animated cartoon.

Watch ancient text revealed and read for the first time in a thousand years!

What brings archeologists and astronomers alike to this ten-mile canyon in remote New Mexico?

Listen to the story of Ladle Rat Rotten Hut.

How do scientists establish the age of artifacts, rocks, and settlements?

A downloadable series of graphics from our Faultline website gives a snapshot of seismic science.

An incubator for innovative public space ideas, projects and news

Your guide to the Northern and Southern Lights (also in 'Observatory')

Take an animated tour of Antarctica's variety of ice formations, which give it a beauty unrivaled anywhere on Earth.

Find out why people who love birthday parties should move to Mercury.

Tour a hydroponic greenhouse in frozen Antarctica.

What does it take to block gamma radiation?

What's at fault?

Why is your shadow longer in winter than in summer? Grab a basketball and some paperclips and find out!

Summertime in the Arctic is for the birds

Produce some pretty mixed-up music with this online interactive.

Kid-friendly explorations and experiments for curious minds.

What happens when two hockey players collide? Try our hockey collision calculator!

Nobel Laureate Symposium

This 2011 conference, hosted at the Exploratorium, explored the role aesthetic inquiry in public interdisciplinary environments.

Listen to the sound of a rainstorm – anytime, anywhere.

An introduction to the concepts and theories that contribute to contemporary complexity research.

One man's journey into blindness

Most paper airplanes are flat, but these paper hoops can really fly!

Professional development resources for teacher educators.

A drop of water makes a fine magnifying lens.

If you want to dig a ditch in the Arctic, you'd better bring more than a shovel.

What can you do with a frozen water balloon? Plenty!

Use this handy conversion calculator to convert between the many units found in recipes.

Test your memory - and learn how to improve it!