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Exploratorium
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  • Tinkering at Home

    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.

  • Explore water's crucial role in food and cooking.

    Science of Water: Food   Explore water's crucial role in food and cooking.

  • Shadow Box exhibit

    Browse our growing online collection of interactive exhibits.

  • Global Climate Change Explorer • Discover how researchers study climate change and examine the latest scientific data.

  • Science Snacks

    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

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

Dive into websites, activities, apps, and more.

Geology for Fossil Hunters
Geology for Fossil Hunters

Search a geological map of Ethiopia for fossils.

A How-To Guide for Viewing Eclipses
How to View an Eclipse
About Chaco Canyon
About Chaco Canyon

What brings archeologists and astronomers alike to this ten-mile canyon in remote New Mexico?

Geiger Counter
Geiger Counter

What does it take to block gamma radiation?

Getting Started with Motion
Getting Started with Motion

Use the Science Journal mobile app to investigate movement.

CANdemonium
CANdemonium

Recycle some cans to make after-dinner music!

Meet the Makers - Time
Explore time in this installment of Open Make.
Vocales vocalizadas
Vocales vocalizadas

Modelos plásticos huecos del aparato vocal humano convierten el graznido de un pato en sonidos de vocales.

Third From the Sun: Geographical Features as Seen from Space
Third From the Sun: Geographical Features as Seen from Space

Technological developments have changed how we view Earth. See LandSat images and learn more about our home planet.

Electrified Plants

Learn about common electrical systems in our brains and fast-moving plants.

Susie Ibarra: Performance

Stand in the intersection of the traditional and the avant-garde.

Seasons and Shadows
Seasons and Shadows

Why is your shadow longer in winter than in summer? Grab a basketball and some paperclips and find out!

Icebergs
Icebergs

They're a menace to ships, but life thrives in these frozen oases.

Picturing the Body
Picturing the Body

Learn about common techniques for peering inside the body in order to diagnose disease and injury.

Mind Reader
Mind Reader

Do a card trick that's guaranteed to make you look like a mind reader.

Modeling the Seasons
Modeling the Seasons

See for yourself how the tilt of the earth's axis results in what we experience as the seasons.

Soap Film on a Can: What's going on

Make a "water sandwich" and see how it interacts with light.

Woleai atoll
Why Woleai?

by Eileen Campbell • January 28, 2016

Why are we going to Micronesia to broadcast a solar eclipse?

Away
Explore the EcoCenter, San Francisco's only off-grid building.
Greenland
Greenland

Land of ice and people

Piezoelectric Microphones
Piezoelectric Microphones

Pick one and guess the source

Countdown 1 (on the way to Woleai)

by Eclipse Field Crew • February 29, 2016

Dispatches from our crew in Micronesia.

Science in the City: Black Sand

Explore the mysteries of Ocean Beach's black sand (a.k.a. magnetite). 

Make Your Own Telescope
Make Your Own Telescope

Make your own refracting telescope from a pair of reading glasses.

LIVE with the InSight Lander Roadshow: Mission to Mars

Get a sneak peek of the InSight Mars mission.

The Avalanche of Ideas
Discover the splendid, puzzling Museum of Jurassic Technology.
ECHO Climate Change Symposium
ECHO Climate Change Symposium

In 2009, the ECHO (Education through Cultural and Historical Organizations) Partners hosted a national symposium held at the Exploratorium to discuss the effects of climate change on the planet. You can watch archived webcasts of the symposium.

Getting Started with Science Journal
Getting Started with Science Journal

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

Collaboration between a father and son
The Tinkering Studio's Projects

Learn how you too can enjoy our activities in your kitchen, garage, classroom, and community.

Transit of Mercury
Transit of Mercury

See the tiny disk of Mercury slowly travel across the face of the sun in this rare event.

The Sun-Eating Dragon: Eclipse Stories, Myths, and Legends
The Sun-Eating Dragon: Eclipse Stories, Myths, and Legends
Pictures from Light
Pictures from Light

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

Mars Rovers
Mars Rovers

Meet the robotic explorers that landed on Mars in 2004, and check out their tools and instruments.

Oil Spot Photometer

Measure the brightness of the sun using cooking oil and a white card.

Ancient Observatories
Ancient Observatories

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

Total Solar Eclipse: Live From Turkey
Total Solar Eclipse: Live From Turkey

On March 29, 2006, a total solar eclipse occurred when the new moon moved directly between the sun and the earth. The moon’s shadow fell on the eastern tip of Brazil, sped eastward across the Atlantic, through northern Africa, across the Mediterranean, an

Joshua Light Show with Linda Perhacs and Julia Holter

The legendary Joshua Light Show returns to the Exploratorium’.

Copper Caper
Copper Caper

Watch old pennies turn bright and shiny right before your eyes!

Why Save Seeds?
Why Save Seeds?

Find out why biodiversity benefits plants and people alike.

Eames Design Guest Speaker Series
Eames Design Guest Speaker Series

A series of talks celebrating both the historical and contemporary dimensions of the Eames design legacy.

Dot Mixer
Dot Mixer

Produce some pretty mixed-up music with this online interactive.

Science of Gardening: Feed
Science of Gardening: Feed

Plants and people alike. We all have a need to feed.

Building the Exploratorium at Pier 15: Timelapse

The Exploratorium wasn't built in a day—watch it go up in a minute. 

Antarctic Food Web
Antarctic Marine Ecosystem

The Antarctic food web is the simplest on the planet, and krill are at its hub.

Stem Cells
Stem Cells

See living stem cells and find out why they are the "stem" from which all other cells develop.

Exploratorium Exhibit Phenomena

Enjoy the colors and textures of phenomena demonstrated by Exploratorium exhibits.

Spectra From Space
Spectra From Space

An introduction to spectra and to the space-based telescopes. The site includes a number of hands-on activities.

The Scientific Capabilities of the Mars Rover Curiosity

See what's on the Curiosity rover's tool belt.

Kosher Dill Current
Kosher Dill Current

High energy prices got you down? Discover how pickles can ease your troubles.

Meet Your Microbiome

Our bodies contain 30 trillion microbes, a microbiome that seems essential for our well-being.

French Musician Colleen to Kick Off U.S. Tour on June 11 at Exploratorium

by Exploratorium Staff • June 3, 2015

Colleen will perform selections from her April 2015 album, Captain of None.

Take an Egg for a Spin
Take an Egg for a Spin

Learn how to use physics to distinguish between raw eggs and hard-cooked eggs.

The thrill of natural phenomena

by Sebastian • August 16, 2019

Clapping Culture and Mouth Music with Michael Bradke
Experience a hands-on, ears-on exploration of musical cultures from every continent.
Garden Lore
Garden Lore

The fact and fiction behind some bizarre gardening remedies.

We Make the Treasure by Paul Ramirez Jonas

Explore the value of objects lost and recovered.

Picture This
Picture This

Learn how Hubble Telescope scientists put together those lovely pictures.

Lunch with a Scientist, 2014

Can stem cells treat Alzheimer's disease?

An Afternoon With Peter Whitehead
Experience instrument builder Peter Whitehead's Heart Banjo, Lawn Lyre, and Spoonharp.
Seismic Slinky
Seismic Slinky

What goes on under the ground during an earthquake? Use a Slinky to model the various seismic waves that make the earth tremble.

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