The Exploratorium is temporarily closed. Explore our online resources for learning 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.
Find out why people who love birthday parties should move to Mercury.
Build a stripped-down motor, a simple, easy-to-make version of the electric motors found in toys, tools, and appliances.
Saving seeds helps preserve the culture of Native American farmers in the American Southwest and northern Mexico.
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. . .
Teeth are the most common fossils found. What can they tell us?
Grow spikes of crystals in the sun.
See a Curiosity rover model on loan from NASA.
This clay building activity shows that when you make things bigger, weight increases faster than strength.
Contemplate the continuum of cinema at After Dark.
Make a crowd-pleasing noisemaker called a sound sandwich, which you can adjust to raise or lower its pitch.
Visit the beating heart of the Exploratorium—our shop.
Find a friend and try this sound localization experiement
The Exploratorium is taking it outside to explore natural and human-made phenomena in and around San Francisco. Look for new episodes twice each month.
An introduction to spectra and to the space-based telescopes. The site includes a number of hands-on activities.
Each webcast, the Exploratorium staff and teachers demonstrate their science projects and compete for the title of IRON SCIENCE TEACHER!
Here are some activities that test your memory – and some things you can try to help you remember things better.
How many pennies will your bridge hold?
Resonate with Bosun's Bass, a sound work inspired by mariners' whistles.
Experience the psychedelic visuals of the legendary Joshua Light Show.
By passing the winter frozen as solid as a holiday fruit cake, the wood frog breaks all rules. Scientists hoping to preserve human organs are paying close attention.
Sit down for compost tea with a visionary cultivator.
Discover music where you never expected to find it.
Where are you in infinity? Try the Infinity Room.
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.
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