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

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

Using a simple trick of perspective, you can dress your friends in tiny cutout clothing.

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

The 18,000-foot Mt. Parinacota presents some fitness challenges for climbers.

Here are some activities that test your memory – and some things you can try to help you remember things better.

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.

View the full eclipse visible from China in 2008.

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

Explore the science behind food and cooking with recipes, activities, and archived Webcasts.

In this activity, students make bridges using an oil-based modeling clay (plasticene).

Make a fantastic toy that shimmers when you shake it.

Play. Invent. Explore. PIE is a group of educators who share a playful and inventive approach to teaching with technology.

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

Is it just a glorified plank with roller skate wheels on it? Or is it a highly engineered device through which kids have reclaimed the urban landscape, bringing creativity and style back to the sterile asphalt spaces of sprawl?

Can you tell the difference between human and nonhuman embryos?

Watch Venus travel in front of the Sun. 

Learn about the body's vital defense force.

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

What goes on under the ground during an earthquake? Use a Slinky to model the various seismic waves that make the earth tremble.

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

In February 2009, the Exploratorium hosted Darwin Days, a series of presentations, debates, and discussions exploring the ways scientists continue to learn from and apply their knowledge of evolutionary biology to a broad range of pursuits.

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

Si mira fijamente este punto por algunos momentos, éste desaparece.

Richter and beyond

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

Test your memory and compare it with your friends'.

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

Land of ice and people

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!

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

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

Try your hand at explaining symbols both modern and ancient, and then make your own.

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

A Marble Machine is a creative ball-run contraption, made from familiar materials, designed to send a rolling marble through tubes and funnels, across tracks and bumpers, and into a catch at the end.

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

Hear audio clips of the ambient sounds of the rain forest at night near Arecibo, Puerto Rico.

If you're a patient gardener, you can grow your own hybrid flowers.

White-coated Arctic icons, these supreme hunters are under threat

Sperimenta interattivamente l'illusione del muro del caffé.

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

What's the difference between white meat and dark meat? Which animals have which and why?

Meet the robotic explorers that landed on Mars in 2004, and check out their tools and instruments.