Learn with us online while the Exploratorium is temporarily closed. You can help us reopen—donate today.
Try this collection of prompts for tinkering at home.
Learning Toolbox: Engage in activities about the science of coronavirus and explore our online resources for learning at home.
Science of Water: Food Explore water's crucial role in food and cooking.
Browse our growing online collection of interactive exhibits.
Global Climate Change Explorer • Discover how researchers study climate change and examine the latest scientific data.
Low-cost, teacher-tested activities for the classroom and the curious.
Wired Pier Environmental Field Station • Explore weather, air quality, and water conditions from San Francisco Bay
Dive into websites, activities, apps, and more.
See living stem cells and find out why they are the "stem" from which all other cells develop.
Enjoy the cloudscape of China's Weizi Gorge.
Pick one and guess the source
Find out why wind resistance is a big drag for bicyclists, and use our calculator to estimate drag for yourself.
Meet the competitors and their humongous pumpkins at Half Moon Bay's Great Pumpkin Festival.
The lure of Terra Australis Incognita begins with the Ancient Greeks and ends with modern cruise ships.
Consider decision-making for an aging population and its implications.
The common ground between pickles, cheese, bread, wine, and many other foods.
Meet Matt Smith, an automata artist showcased at the Curious Contraptions exhibition.
by Mary Miller • February 1, 2018
Big wave secrets are all in the data.
The Exploratorium wasn't built in a day—watch it go up in a minute.
Break water into hydrogen and oxygen using a homemade electrolysis device.
Seasoned gardeners depend on a community of bacteria, worms, and insects to get the most out of their plantings. Find out why.
Use dominoes to model a nerve cell's transmission of a signal
Be mesmerized by the PVC structure that allows Strandbeests to walk.
Listen to bird songs and try to figure out which are songs, which are companion calls, and which are alarms.
Take an animated tour of Antarctica's variety of ice formations, which give it a beauty unrivaled anywhere on Earth.
Want to see where the biggest quakes have been this week? Follow a few of the links below to see what's shaking in your neighborhood and around the world.
What's the difference between white meat and dark meat? Which animals have which and why?
Most paper airplanes are flat, but these paper hoops can really fly!
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.
Open a celestial and technological time capsule—watch this eclipse webcast.
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. . .
Make a fantastic toy that shimmers when you shake it.
Darkening polar skies often bring beautiful light displays.
A multifaceted exhibition that explored genetics and the Human Genome Project from a variety of perspectives from April 8 to September 4, 1995.
A fish-eye view of the brain
If you want to dig a ditch in the Arctic, you'd better bring more than a shovel.
Rock out to Mickey Hart celebrating the Golden Gate Bridge.
Try these low-cost, teacher-tested activities for the classroom and the curious.
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.
Explore mechanical elements such as cams, levers, and linkages to create your own moving sculpture.
What can you build with 50 straws and 50 pins?
Most people abhor the sound of their own recorded voice. So what are these recording devices doing to our voices to make them sound so awful?
Are there earthquakes on Mars? Or rather, “marsquakes?"
This is an easy grafting project for beginners.
Think you have a lot in common with a kiwi fruit? Genetically speaking, you do.
Go into the studio with some of the automata artists from our Curious Contraptions exhibition.
The 18,000-foot Mt. Parinacota presents some fitness challenges for climbers.
Build a bridge from a piece of paper and explore ways of making it stronger.
Explore the scientific, historical, and cultural context behind a new opera about the first atomic bomb test.
APE was a four-year Exploratorium project to explore strategies and tactics to shift the role of visitors from passive recipient of information to active participant in the exhibit experience.
White-coated Arctic icons, these supreme hunters are under threat
The three most densely populated cities on the planet where seismologists expect major earthquakes are San Francisco, Tokyo, and Istanbul. Find out why the effects in each city will be very different.
Grow spikes of crystals in the sun.
Are you quick enough to hit a 90 mph fastball?
Discover the uncommon stories behind the most common fruits and vegetables.
These tricky pictures shift and change as you look at them.
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