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

Make a simple musical instrument that sounds like a swarm of buzzing bees when you spin it around.

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

Can you cover your kitchen tracks?

Interact with the Cafe Wall Illusion.

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

Do hot water and cold water mix?

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

There's more to polar ice than just frozen water. Learn about the many varieties of ice found at the poles and how and where they form.

Could your own brain betray you?

Learn how eyes work, and watch a cow's eye dissection. Then follow step-by-step instructions to do a cow's eye dissection yourself.

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

The more astronomy changes, the more it stays the same. This series of images juxtaposes ancient and modern study of the celestial bodies.

Explore our 2000 guide to the solar max, the period in the solar cycle during which the number of sunspots is greatest.

Explore the mysterious interactions between light and geography through the eyes and works of artists Charles Ross and James Turrell.

What makes Antarctica inhospitable to life also makes it ideal for astronomy.

Nobel Laureate Symposium

Create your own fish mummy using common baking soda!

The nearly ice-free Dry Valleys are an Antarctic anomaly, and Earth's closest equivalent to Mars.

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

Make your own refracting telescope from a pair of reading glasses.

How can a microscopic organism lift several pounds of dough? Find out with this activity.

Grow your own stalagmites in luscious colors.

The Okeanos Explorer is the newest vessel in NOAA's fleet and the first to be dedicated solely to exploration and discovery missions. Follow along with the scientists and crew on their discovery voyages.

Make a fantastic toy that shimmers when you shake it.

By looking at satellite and climate data that's available on the Web, surfers can follow storms into shore and be there in time to catch the biggest waves.

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

What do stem cells, fruit flies, and zebrafish look like under a microscope?

What do you really know about what you see?

Turn your phone into a pocket science laboratory with tools to measure light, motion, sound, and more.

One man's journey into blindness

Make yourself giant or tiny with a snip of the scissors.

Explore the science of baseball, skateboarding, surfing, hockey and cycling.