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

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

Art/science teams explore the underlying systems that give the San Francisco Bay Area its unique character.

Introduce students to unique life science activities that let them work with our research-quality microscopic images and videos.

What's at fault?

Play a memory concentration game: Listen closely then match pairs of sounds.

Why is your shadow longer in winter than in summer? Grab a basketball and some paperclips and find out!

Identify misalignments in your body by looking at your feet.

The lure of Terra Australis Incognita begins with the Ancient Greeks and ends with modern cruise ships.

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

They're a menace to ships, but life thrives in these frozen oases.

What happens to a cylinder when you scale it up?

Use live data to check the weather in space, and learn how it can affect us here on earth.

I movimenti dei tuoi occhi faranno brillare questo disegno.

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

Learn about the giants of the polar seas.

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.

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

Wind tubes are a playful and inventive way to explore the effect that moving air has on objects.

The Science Information Infrastructure (SII) is a collaboration among teachers and scientists. The SII at the Exploratorium is developing educational resources using NASA images and datasets.

A fish-eye view of the brain

Does the sun rise in the east? Not exactly.

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

With just mud, paper and an egg, you can grow colonies of multi-hued microbes!

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

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

On Saturday, May 6th, 2000 we hosted a live panel discussion and webcast to explore the amazing phenomena of Star Trek.

How good is your friend's driving? You be the seismometer, and find out whether your pal is a smooth sailor or a mover and shaker.

Journey into Chaco Canyon, where ancient people built monuments to the cosmos. Journey to Chichén Itzá, where the Maya built monuments to the sun.

Decorate your desktop with some of the most intriguing pattern and perception images from the Exploratorium.

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

Activities and History

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

Learn how to bridge the digital generation gap

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