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

Learn how to find the histories and origins of words.

Make a scale model of the Solar System and learn the REAL definition of "space."

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.

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

Artist Bob Miller's Light Walk at the Exploratorium will change the way you look at light, shadow, and images.

How do you stop and steer a bicycle? What forces keep the bicycle from falling over?

How do different sounds combine to make the unique audio environments of specific places? Build the soundscapes of a beach and a train station.

Explore an interactive map.

Map sunspots and build an apparatus for safe sunspot viewing!

We can't predict when an earthquake will occur, but we can avoid some potential disasters.

Build cantilevers from bamboo garden poles and drinking straws and discover the importance of scale.

Explore the science behind food and cooking with recipes, activities, and archived Webcasts.

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

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

Make a crowd-pleasing noisemaker called a sound sandwich, which you can adjust to raise or lower its pitch.

Build a stripped-down motor, a simple, easy-to-make version of the electric motors found in toys, tools, and appliances.

Crabeaters have extraordinary teeth, Weddells are downright cute, and leopards are as fierce as their namesake

Learn about the rovers that have been exploring Mars since 2004, and view the amazing images they've taken.

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

Grow spikes of crystals in the sun.

Learn how to bridge the digital generation gap

Tour the Breads of the World

View the full eclipse visible from China in 2008.

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

These unique – and uniquely beautiful – seal species spend their lives amid the sea ice

Use your naked egg to experiment with osmosis, the movement of water across a membrane.

Try your hand at explaining symbols both modern and ancient, and then make your own.

Artist Bob Miller's Light Walk at the Exploratorium will change the way you look at light, shadow, and images.

Discover secret colors hidden in a black marker!

Play with the stuff that makes dough stretchy.

Rube Goldberg-inspired cause and effect contraptions using everyday materials and found objects.

Crabeaters have extraordinary teeth, Weddells are downright cute, and leopards are as fierce as their namesake

Your CRT screen may appear to wiggle when you give it the raspberry, but the only thing wiggling is you.

Artist Bob Miller's Light Walk at the Exploratorium will change the way you look at light, shadow, and images.

Follow along with expedition leader Bob Ballard and his crew on the exploration vessel Nautilus as they search for hydrothermal vents, underwater volcanoes, and ancient shipwrecks.

A model for heart development

See how TV screens create images from many tiny colored dots of light.

In February 2009, the Exploratorium hosted Darwin Days, a series of presentations, debates, and discussions exploring the ways scientists continue to learn from and apply their knowledge of evolutionary biology to a broad range of pursuits.

Have you ever wondered what makes blue cheese blue, or why some cheeses are hard and others soft?

From 1977 until 2003, the Exploratorium published a quarterly magazine. The Exploratorium Magazine Online is a companion to selected issues of the print magazine, providing key articles and activities and including multimedia features.