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

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

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

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

Make a fantastic toy that shimmers when you shake it.

Teeth are the most common fossils found. What can they tell us?

Living along the continental coastline of Antarctica are the emperors and the Adélies.

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

Find out how different kinds of candy are made in the Candy-o-matic!

Explore the important engineering concepts of yield strength, ultimate strength, and elasticity as they relate to building a better bicycle.

Map sunspots and build an apparatus for safe sunspot viewing!

Art/science teams explore the underlying systems that give the San Francisco Bay Area its unique character.

Three auditory illusions created by students from the Center for Electronic Art.

Learn about the body's vital defense force.

On March 29, 2006, a total solar eclipse occurred when the new moon moved directly between the sun and the earth. The moon’s shadow fell on the eastern tip of Brazil, sped eastward across the Atlantic, through northern Africa, across the Mediterranean, an

Test your memory and compare it with your friends'.

Introduce students to unique life science activities that let them work with our research-quality microscopic images and videos.

How can something as light as air slow down a hit?

Learn about the body's vital defense force.

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

A drop of water makes a fine magnifying lens.

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.

Commemorate the 1906 quake! Rummage through live earthquake data, subductive science, and more. Learn about earthquakes in Faultline: Seismic Science at the Epicenter

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

I movimenti dei tuoi occhi faranno brillare questo disegno.

Learn about the body's vital defense force.

Using a simple trick of perspective, you can dress your friends in tiny cutout clothing.

Come with us to Chaco Canyon in northwestern New Mexico, which is rich with thousand-year-old artifacts of the ancient Pueblo culture and contains sites that appear to have been astronomical observatories.

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

Join the Exploratorium on the playa in Black Rock Desert and explore the science of pyrotechnics, flight, dust devils, rainbows, and more.

Use the Science Journal mobile app to investigate movement.

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

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

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

Experiment with water, temperature, and light to see what makes a seed come out of its shell.

Watch Venus travel in front of the Sun. 

This clay building activity shows that when you make things bigger, weight increases faster than strength.

In celebration of Albert Einstein's work in 1905, science laboratories and museum around the world (including the Exploratorium) participated in a twelve-hour webcast that explored Einstein's influence on current physics research.

Grow marshmallows to monstrous proportions!

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

What happens to meat when you cook it?

Download a PDF file with step-by-step instructions for doing your own cow's eye dissection.

Just how much fat is in ground beef? You may be surprised.

Test your memory and compare it with your friends'.