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

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

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

What is a gear ratio? And how do gears help make the bicycle so efficient?

To understand how skaters turn in midair, try this little experiment.

Here's how you can model the use of X rays for medical examinations with some sand and a piece of screen.

Build a mirrored tube that lets you see around corners and over walls.

Find links relevant to Mars and space exploration.

Visit the Outdoor Exploratorium at Fort Mason to explore the science behind wind, waves, and more.

Technological developments have changed how we view Earth. See LandSat images and learn more about our home planet.

Examine words from different languages and determine which two languages are the most closely related.

Close your eyes – and open your ears.

Get a taste of how the earth's plates move.

Make it grow . . . bigger, lusher, juicier.

In September 2004, the Exploratorium covered a conference in the Galapagos Islands, organized by the National Center for Atmospheric Research, that considered the implications of El Niño forecasting.

Si mira fijamente este punto por algunos momentos, éste desaparece.

It's not just the moon that causes ocean tides.

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

Not all bubbles are made with soap!

Recycle some cans to make after-dinner music!

Discover the uncommon stories behind the most common fruits and vegetables.

Why do I hear the bass from my neighbor's stereo, but not the treble?

anatomy of a skateboard, skateboard tricks, types of skateboarding, physics glossary.

Explore mechanical elements such as cams, levers, and linkages to create your own moving sculpture.

Imaginative Designs in Digital and Analog Clothing

Build a mirrored tube that lets you see around corners and over walls.

Four times over 100-plus years, major initiatives have brought together scientists from around the globe to collaboratively study the poles.

Tour the Breads of the World

Explore new social science exhibits at San Francisco’s Civic Center.

Use dominoes to model a nerve cell's transmission of a signal

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

Do hot water and cold water mix?

This simple paper toy spins through the air like a mini-helicopter!

Cuatro exposiciones lo suficientemente pequeñas para caber en tarjetas postales.

Four downloadable workshop guides for teaching introductory genetics in a museum or other informal education setting.

Do hot water and cold water mix?

Explore an interactive map.

Experience the thrill of pickle making, and explore how a cucumber becomes a pickle.

In an earthquake, some older structures collapse and others stand tall. The difference is usually retrofitting.

Saving seeds helps preserve the culture of Native American farmers in the American Southwest and northern Mexico.

Test your memory - and learn how to improve it!

Pickling is the art of manipulating the microbial garden in foods.

Meet the competitors and their humongous pumpkins at Half Moon Bay's Great Pumpkin Festival.

A fish-eye view of the brain