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

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

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

Can you trust your own memory? Find out with this activity.

Get down and dirty with the surprising science of soil.

Geometry Playground will change the way you think about geometry. This exhibition engages your hands, brain, and body in playful investigations of this most visible branch of math.

Map sunspots and build an apparatus for safe sunspot viewing!

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

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

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

Visit Las Cuevas Research Station in Belize and the Natural History Museum in London to learn about the study of biodiversity.

Grow spikes of crystals in the sun.

Darkening polar skies often bring beautiful light displays.

About Anaglyphs. How do I make 3-D glasses?

Make a simple rocket and a rocket launcher, and watch a demonstration of how the finished rocket will fly.

Scientific knowledge and a few chemical concoctions can get you through a Bad Hair Day.

Make a simple rocket and a rocket launcher, and watch a demonstration of how the finished rocket will fly.

Take a virtual journey to the frog capital of the world, Rayne, Louisiana.

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

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.

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

fat, proteins, collagen, and more

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

For most of us, science arrives in our lives packaged neatly as fact. But how did it get that way?

In the 1870s, an American woman could not vote. She could not own property in her own name after marriage. But she could play ball. . .

Find links relevant to Mars and space exploration.

View the night sky from any latitude on earth, and take a guided tour of the Hawaiian star families.

Where is the Center of the Universe? Here, there, and everywhere.

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

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

This card game is a little like a puzzle. You and your opponents all try to find solutions to the puzzle���and the one who finds the most solutions wins!

The common ground between pickles, cheese, bread, wine, and many other foods.

Meet a kinetic sculptor.

To understand how skaters turn in midair, try this little experiment.

Bring movie, TV, and cartoon images to life.

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

A model for heart development

Pick one and guess the source

Build a bridge from a piece of paper and explore ways of making it stronger.