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

Bring movie, TV, and cartoon images to life.

What happens when two hockey players collide? Try our hockey collision calculator!

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

Insight into genes, reproduction, and cancer

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

Want to understand how to predict when the good waves are coming to your shore? It helps to start with the basics behind the formation of ocean waves.

Explore the surrounding sounds that everyday objects make. Build a noise contraption from these objects, then add a PicoCricket to automate your contraption. Finally, add a light sensor and program your sound automata to "play" when triggered by light.

Will the "real" South Pole please stand up?

Find out why biodiversity benefits plants and people alike.

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.

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

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

Not all bubbles are made with soap!

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

Show yourself how a pinch of salt can take the bitter taste away.

With a lens, you can bend light to make pictures of the world.

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

See links relevant to the themes presented in the Traits of Life exhibition.

Explore light, shadow, and motion using a variety of simple materials and light sources.

Using a spectroscope, you may see that what appears to be a single color of light is really a combination of colors called a spectrum.

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

A multifaceted exhibition that explored genetics and the Human Genome Project from a variety of perspectives from April 8 to September 4, 1995.

How are creative investigations sparked? What does a state of inspiration feel like? Can inspiration be transmitted from person to person? Join us for an audio slideshow series that explores the fascinating world of how we work creatively.

Find out how proteins make muscles work in this original Exploratorium poster, illustrated by David Goodsell.

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

Find out how a cochlear implant helped one man regain the ability to listen.

Meet Bart Hopkin, who listens closely to the subtle sonic qualities of wood, water, and pipes as he creates new instruments.

Your thumb and index finger can help you test a steak's degree of doneness.

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

Remote sensing allows geologists to peek under the ice – and find a big surprise.

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

Learn valuable graphing skills and learn about ozone chemistry.

Can your eyes fool your nose? Find out with this experiment.

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

The Exploratorium is taking it outside to explore natural and human-made phenomena in and around San Francisco. Look for new episodes twice each month.

What's the science behind a home run? Why do curveballs curve? Learn about the game from players from the S.F. Giants & Oakland A's.

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

What happens to meat when you cook it?

Pick one and guess the source

Interact with the Cafe Wall Illusion.

Why do road bikes have thin tires, while mountain bikes have fat tires?

The 1906 earthquake jolted geologists into focusing on how and why faults break loose.

Meteor, meteorite, meteoroid – what's the difference?

Where do all the different languages in the world come from?

What does it take to block gamma radiation?

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