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 hands-on 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.
What do you really know about what you see?
Find out about bicycle brakes and balance, and calculate your stopping distance on a bicycle.
Take an impressionistic journey through the Exploratorium's Life Sciences area.
A brief introduction to the land of the midnight sun.
Explore iron, Earth’s most common element by mass.
Our reactions may be trained, but the devices that make music sound "sad" are real enough.
Human corpses decay alfresco, all in the name of forensic science.
Open a celestial and technological time capsule—watch this eclipse webcast.
Explore other planets—or remote places here on Earth.
Rock out to Mickey Hart celebrating the Golden Gate Bridge.
Immerse yourself in visual storytelling that extends the possibilities of cinema.
Explore the science behind food and cooking with recipes, activities, and archived Webcasts.
What's the difference between white meat and dark meat? Which animals have which and why?
Before there were clocks, people used shadows to tell time!
Summertime in the Arctic is for the birds
Are you quick enough to hit a 90 mph fastball?
Do hot water and cold water mix?
Make yourself giant or tiny with a snip of the scissors.
Discover how researchers study climate change and examine the latest scientific data.
by Adam Esposito • June 29, 2015
Jupiter and Venus pass each other in sky this week.
Touch supercooled water drops with an ice crystal and trigger them to freeze instantly.
Catch a wave—then measure it, reflect it, and see what happens.
Tour a hydroponic greenhouse in frozen Antarctica.
by Liz Ball • July 13, 2017
Join the Kronos Quartet for a performance like no other.
Got questions about electrolysis in the classroom? We've got answers.
Watch Venus travel in front of the sun.
An artist paints his childhood home from memory.
With polarized light, you can make a stained glass window without gla
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 the surprising side of sound
Can you tell the difference between human and nonhuman embryos?
Far north in the night sky, a faint glow appears on the horizon. Green and red flames of light stretch across the sky.
The Turbulent Orb flows like the surface of Jupiter.
Listen to the sound of a rainstorm – anytime, anywhere.
An introduction to the concepts and theories that contribute to contemporary complexity research.
Have you ever wondered what makes blue cheese blue, or why some cheeses are hard and others soft?
Learn the science behind bad hair days, and learn how hair increases its length when humidity increases, making curly hair frizz and straight hair go limp.
Do the Bird in a Cage experiment with some basic materials.
It's easy to fold a sheet of paper in half. But can you fold a sheet of paper in half ten times?
Find out why biodiversity benefits plants and people alike.
Learn about the body's vital defense force.
You can measure your reaction time with just a yardstick and some help from a friend.
Join us as we crunch our way through everything from our San Francisco sourdough to Injera and Pugliese.
Uncover the everyday origins of some extraordinary instruments.
Experience Guillermo Galindo's thoughts on his boundary-breaking musical works.
by Josh Bacigalupi • September 26, 2016
Complexity: what is it and why it matters
Get a behind-the-scenes look at activities and ideas we’re exploring.
by • March 8, 2016
The 63-hour journey from San Francisco to Woleai covered 7,153 miles.
Explore systems over extremes of time and space with Jem Finer.
At Black Sand, see the shape of an invisible magnetic field.
Stand in the intersection of the traditional and the avant-garde.
Use this desktop widget to view current science news feeds on your computer.
What does it take to support life—or to prevent it?
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