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

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

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

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

Enjoy the early memories of some of the visitors to this website.

Visit Kendon Candies, a lollipop factory in San Jose, California

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

An incubator for innovative public space ideas, projects and news

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

For accuracy, it's best to use both a candy thermometer and the cold water test when making candy.

Check out top mountain biker, Ruthie Matthes. Learn about frames and materials from a custom bike maker. Try interactive javascripts that calculate braking distances and energy consumption.

An incubator for innovative public space ideas, projects and news

Download desktop wallpaper for your computer.

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

Launch a rocket with a plastic pop bottle and use Height Site to figure out how high it flies.

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

Listen in on conversations with Laurie Anderson, Brian Eno, and others in Speaking of Music Rewind.

Search a geological map of Ethiopia for fossils.

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

Use the Science Journal mobile app to investigate movement.

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

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

Explore the mythological significance of frogs in cultures around the world.

Your brain is always looking for blank spaces and filling them in. Sometimes, your brain leaps to the wrong conclusion. Then you get a surprise!

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

Learn about bike gears using thread spools and a rubber band.

Learn how to find the histories and origins of words.

The Maya were expert sky-watchers, careful observers of the motions of the celestial bodies...

Imagine yourself in the middle of the vast Pacific Ocean. You've been sailing for weeks, and there's no land in sight. Do you know where you are? Do you know which way to go?

Investigate actual images of the Martian surface taken by the rovers Spirit and Opportunity.

If you want to dig a ditch in the Arctic, you'd better bring more than a shovel.

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

Amino acids and corn syrup combine to create new aromas.

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.

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

Watch tiny blue, green, and white molds grow on leftover food.

Learn how Hubble Telescope scientists put together those lovely pictures.

The only continent without any countries or government . . .

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

Zoom into a fossil chimp tooth.

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

Most paper airplanes are flat, but these paper hoops can really fly!

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

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

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

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

See how well various materials conduct electricity and use Science Journal to explore your data.