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

In celebration of Albert Einstein's work in 1905, science laboratories and museum around the world (including the Exploratorium) participated in a twelve-hour webcast that explored Einstein's influence on current physics research.

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

How do different sounds combine to make the unique audio environments of specific places? Build the soundscapes of a beach and a train station.

What do you really know about what you see?

Zoom into a fossil chimp tooth.

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

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

Realtime data, more about earthquake dynamics, and loads of other information.

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

Explore the ideas behind Science of Sharing with these Activities.

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

An introduction to the concepts and theories that contribute to contemporary complexity research.

Uncover the everyday origins of some extraordinary instruments.

Do hot water and cold water mix?

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.

There's more to polar ice than just frozen water. Learn about the many varieties of ice found at the poles and how and where they form.

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

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

What do you really know about what you see?

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

Cells behaving badly

From 1977 until 2003, the Exploratorium published a quarterly magazine. The Exploratorium Magazine Online is a companion to selected issues of the print magazine, providing key articles and activities and including multimedia features.

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

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

Lisa Miller is a mechanic and teacher who shows her auto shop students how to use their listening skills to fix cars.

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.

Opera singers carry notes that seem to last forever. How do they do it?

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

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.

Explore Saturn, its rings and moons, and see the latest images.

Staff member Vivian Altmann presents the "Snack" Water-Bottle Membranophone." Make some noise with simple materials.

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

Activities and workshops for playful invention, investigation, and collaboration

A trash-filled median blossoms into a community oasis.

A fish-eye view of the brain

An inside look at a chicken's egg.

Why do I hear the bass from my neighbor's stereo, but not the treble?