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 if you can put these sounds back together in this sonic jigsaw puzzle.
Have you ever wondered what makes blue cheese blue, or why some cheeses are hard and others soft?
You can make sentences without words!
What does it take to land a spacecraft on Mars?
The legendary Joshua Light Show returns to the Exploratorium.
Explore the unknown world inside your brain with these fun activities.
An evening of wine, food, and talk.
Find out what it's REALLY like on Mars.
Celebrate The Art of Tinkering with this unprecedented book.
Baltimore-based musician Dan Deacon connects the audience to the player-piano.
Make a photographic image without a camera!
Try your hand at explaining symbols both modern and ancient, and then make your own.
Explore the scientific, historical, and cultural context behind a new opera about the first atomic bomb test.
Make your own refracting telescope from a pair of reading glasses.
Learn about origami, make your own paper, and find out the best way to fold a paper airplane.
Learn about bike gears using thread spools and a rubber band.
Sperimenta interattivamente l'illusione del muro del caffé.
Download a PDF file with step-by-step instructions for doing your own cow's eye dissection.
Darkening polar skies often bring beautiful light displays.
Close your eyes and listen to tell where the paddle is when you play this all-listening version of the classic game Pong.
Explore small, surreal worlds through Curious Contraptions automata.
When you ride a bike in a straight line, you must make many minor corrections in order to stay upright.
Listen to the story of Ladle Rat Rotten Hut.
Discover how researchers study climate change and examine the latest scientific data.
Hear from Theo Jansen how the strandbeests' feet have changed and why.
Listen to the sound of a rainstorm – anytime, anywhere.
The more astronomy changes, the more it stays the same. This series of images juxtaposes ancient and modern study of the celestial bodies.
Come with us to Chaco Canyon in northwestern New Mexico, which is rich with thousand-year-old artifacts of the ancient Pueblo culture and contains sites that appear to have been astronomical observatories.
What's at fault?
Explore the deadly beautiful world of carnivorous plants.
Explore the evolution of music and dance with Alonzo King and Bernie Krause.
Bulk up your understanding of the "muscles" that move Theo Jansen's strandbeests.
Learn how eyes work, and watch a cow's eye dissection. Then follow step-by-step instructions to do a cow's eye dissection yourself.
What's the difference between white meat and dark meat? Which animals have which and why?
Make a spinning disc called a stroboscope, which lets you create your own animated cartoon.
Explore the afterimages your eyes and your brain create.
A brief history of Chichen Itza.
It's easy to fold a sheet of paper in half. But can you fold a sheet of paper in half ten times?
the Fudge House on Fisherman's Wharf in San Francisco!
Uncover the everyday origins of some extraordinary instruments.
Humpbacks, minkes, and orcas are often sighted in the nutrient-rich Antarctic waters.
Human corpses decay alfresco, all in the name of forensic science.
Build a bridge from a piece of paper and explore ways of making it stronger.
Bike builder David Folch builds supersized bikes for supersized riders.
Why do teens take risks, and what do our notions of risk tell us about the dangers of growing up?
Grow spikes of crystals in the sun.
Not all shadows are black. Discover a rainbow of shadows here.
Explore webcasts, stories, dispatches, photos, and articles of total and annular solar eclipses and transits.
Want to understand how to predict when the good waves are coming to your shore? It helps to start with the basics behind the formation of ocean waves.
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