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

How many objects can you follow at once?

Professional development resources for teacher educators.

With just mud, paper and an egg, you can grow colonies of multi-hued microbes!

Close your eyes – and open your ears.

Find out how this extreme sport is governed by the principles of momentum, gravity, friction, and centripetal force. Learn skateboarding history, technology, and more!

The frozen worlds of the Arctic and Antarctica

Explore the ideas behind Science of Sharing with these Activities.

Demonstrations of electric Robo-Cars made by 22 Science Summer students.

Do hot water and cold water mix?

Hear audio clips of the ambient sounds of the rain forest at night near Arecibo, Puerto Rico.

The only continent without any countries or government . . .

Journey into Chaco Canyon, where ancient people built monuments to the cosmos. Journey to Chichén Itzá, where the Maya built monuments to the sun.

What are the best materials for frames? What are the best designs?

Before there were clocks, people used shadows to tell time!

Learn about the body's vital defense force.

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

Vsit a quirky kitchen where you can compose music with ordinary (and not-so-ordinary) objects.

Explore the ancient knowledge of the Maya, who built sophisticated monuments to the sun.

Sit down for compost tea with a visionary cultivator.

A model for heart development

See a map of recent earthquakes in the United States, and learn why earthquakes happen so frequently on the West Coast.

Watch old pennies turn bright and shiny right before your eyes!

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

Explore the scientific, historical, and cultural context behind a new opera about the first atomic bomb test.

APE was a four-year Exploratorium project to explore strategies and tactics to shift the role of visitors from passive recipient of information to active participant in the exhibit experience.

Will the "real" South Pole please stand up?

What kinds of candy are made and enjoyed in where you live?

What do snowflakes look like on Mars?

A collection of auditory illusions found in indigenous folk practices, popular music, and scientific research.

What do you really know about what you see?

Explore the unknown world inside your brain with these fun activities.

Learn to throw a curveball, a slider, or even a screwball by throwing a Styrofoam ball.

Make a simple rocket and a rocket launcher, and watch a demonstration of how the finished rocket will fly.

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

Explore an interactive map.

From May 20 to June 5 1997, we presented a webcast series exploring the art and science of severe storm visualization.

Learn about common techniques for peering inside the body in order to diagnose disease and injury.

View the full eclipse visible from China in 2008.

In this activity, students make bridges using an oil-based modeling clay (plasticene).

Professional development resources for teacher educators.

Grow spikes of crystals in the sun.

This stuff can't make up its mind -- is it a liquid or a solid?

High energy prices got you down? Discover how pickles can ease your troubles.

You can make a light painting with a light source, a darkened room, and a digital camera.

Where is the Center of the Universe? Here, there, and everywhere.

A Scribbling Machine is a motorized contraption that moves in unusual ways and leaves a mark to trace it's path.

Want to see where the biggest quakes have been this week? Follow a few of the links below to see what's shaking in your neighborhood and around the world.