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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.

The Heart of the Matter: Inside CERN
The Heart of the Matter: Inside CERN

Visit the European Organization for Nuclear Research, known as CERN, which studies what the universe is made of and how the universe works.

The Exploratorium Shop

Visit the beating heart of the Exploratorium—our shop.

An Artist Looks at Life on an Undersea Volcano
What's a painter doing on this scientific research ship?
Polar Geography
Polar Geography

The frozen worlds of the Arctic and Antarctica

The Tinkering Studio Blog
The Tinkering Studio Blog

Get a behind-the-scenes look at activities and ideas we’re exploring.

Ladle Rat Rotten Hut
Ladle Rat Rotten Hut

Listen to the story of Ladle Rat Rotten Hut.

Never Lost: Polynesian Navigation
Never Lost: Polynesian Navigation

Imagine yourself in the middle of the vast Pacific Ocean. You've been sailing for weeks, and there's no land in sight. Do you know where you are? Do you know which way to go?

International Polar Years
International Polar Years

Four times over 100-plus years, major initiatives have brought together scientists from around the globe to collaboratively study the poles.

MER Tools of the Trade
MER Tools of the Trade

The Instruments Aboard the Mars Exploration Rover

Millions of people around the world struggle to live with corneal blindness——the loss of sight caused by damage to...
Restoring Sight

Millions of people around the world struggle to live with corneal blindness——the loss of sight caused by damage to the surface of the eye. It's a treatable condition with a clear solution: a corneal transplant. This Science in the City episode highlights the work SightLife is doing to help end corneal blindness by making transplants possible.

Hack This Book: The Art of Tinkering's Conductive Ink Cover

Celebrate The Art of Tinkering with this unprecedented book.

You Make It Happen with Ken Finn (Buzz Like A Bee)
Is that a bee buzzing around your head, or just Ken Finn?
Neighbor's Stereo Blues
Neighbor's Stereo Blues

Why do I hear the bass from my neighbor's stereo, but not the treble?

Planetarium
Planetarium

View the night sky from any latitude on earth, and take a guided tour of the Hawaiian star families.

Bicycles and Drag
Bicycles and Drag

Find out why wind resistance is a big drag for bicyclists, and use our calculator to estimate drag for yourself.

Remembering Nagasaki
Remembering Nagasaki

In Observance of the 50th Anniversary of the bombing of Hiroshima and Nagasaki.

Live it!
Check out this "b-side" edition of Driven.
Strandbeest: Animaris Ordis

Observe Theo Jansen and a strandbeest strolling on a sunny beach.

What's Your Soil Type?
What's Your Soil Type?

Can't decide if you're sandy or silty? Try this simple test.

Build a Solar System
Build a Solar System

Make a scale model of the Solar System and learn the REAL definition of "space."

Complexity / Turbulent Landscapes
Complexity / Turbulent Landscapes

An introduction to the concepts and theories that contribute to contemporary complexity research.

Exploratorium Opening at Pier 15: Emergence

Experience the wonder of the Exploratorium's opening at Pier 15.

Altamont Wind Farms

Learn how wind energy is generated and stored at Altamont Pass.

Audio Pong
Audio Pong

Close your eyes and listen to tell where the paddle is when you play this all-listening version of the classic game Pong.

Bronx Cheer Bulb
Bronx Cheer Bulb

Your CRT screen may appear to wiggle when you give it the raspberry, but the only thing wiggling is you.

Illusion Songs
Illusion Songs

A collection of auditory illusions found in indigenous folk practices, popular music, and scientific research.

Saturn: Jewel of the Solar System
Saturn: Jewel of the Solar System

Explore Saturn, its rings and moons, and see the latest images.

Aurora
Aurora

Darkening polar skies often bring beautiful light displays.

Geiger Counter
Geiger Counter

What does it take to block gamma radiation?

The Great Shake: San Francisco 1906
The Great Shake: San Francisco 1906

San Francisco was born in gold dust, and nearly died in rubble and ashes.

Theo Jansen in Conversation with Marina McDougall

Explore the creative process behind Theo Jansen's extraordinary strandbeests.

Bird Call Quiz
Bird Call Quiz

Listen to bird songs and try to figure out which are songs, which are companion calls, and which are alarms.

Sea Urchins
Sea Urchins

Insight into genes, reproduction, and cancer

Science of Sharing Educator Activities
Science of Sharing Educator Activities

Explore the ideas behind Science of Sharing with these Activities.

Autonomy on Endless Trial

Consider the possible effects of early Alzheimer's diagnosis.

Crusty Science: Bread
Crusty Science: Bread

Join us as we crunch our way through everything from our San Francisco sourdough to Injera and Pugliese.

How Far Can You Hit One?
How Far Can You Hit One?

How can something as light as air slow down a hit?

Picture This
Picture This

Learn how Hubble Telescope scientists put together those lovely pictures.

Mix-n-Match

You can mix just three colors of light to make over 16 million different colors!

Colored Shadows

Not all shadows are black. Discover a rainbow of shadows here.

Make Your Own Rainstick
Make Your Own Rainstick

Listen to the sound of a rainstorm – anytime, anywhere.

Center of the Universe
Center of the Universe

Where is the Center of the Universe? Here, there, and everywhere.

A. J. Racy: Performance

Experience A.J. Racy's compositions exploring ancient forms from Middle Eastern culture.

Science of Cocktails 2015 Event Recap

Check in on the fifth annual Science of Cocktails event.

North Pacific Gyre
Explore the impact of plastic debris in the North Pacific Gyre.
Drives & Gears
Drives & Gears

What is a gear ratio? And how do gears help make the bicycle so efficient?

San Diego Race Weather Report
Visit the National Weather Service for the lowdown on sailing weather.
Darwin Days
Darwin Days

In February 2009, the Exploratorium hosted Darwin Days, a series of presentations, debates, and discussions exploring the ways scientists continue to learn from and apply their knowledge of evolutionary biology to a broad range of pursuits.

Listening Guides
Listening Guides

Skilled listeners share their secrets.

Monster Mallows
Monster Mallows

Grow marshmallows to monstrous proportions!

Geometry Playground

Geometry Playground will change the way you think about geometry. This exhibition engages your hands, brain, and body in playful investigations of this most visible branch of math.

Zebrafish

A model for heart development

Structures du Monde
Structures du Monde

Activités pour la classe élémentaire.

Curious Contraptions

Explore small, surreal worlds through Curious Contraptions automata.

Antarctic Food Web
Antarctic Marine Ecosystem

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

The Cold Water Candy Test
The Cold Water Candy Test
Blood
Blood

Learn about the body's vital defense force.

Truly Primary Pigments

Watch colors play in this quick exploration of layering hues.

Not Fade Away
Not Fade Away

One man's journey into blindness

The Temple Illusion
The Temple Illusion

This ancient temple holds a secret...can you reveal the mystery?

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