Learn with us online while the Exploratorium is temporarily closed. You can help us reopen—donate today.

Materials and Matter

Experimenta con un diablillo cartesiano.

Make a home for a colorful community of microorganisms.

Discover the history and uses of zinc.

Getting a drink of water would be very different if you were the size of a doll.

Nickel from meteorites and Earth's core finds its strength in alloys.

Noodle around with elemental properties and how they’re organized.

Visualize air pressure with the help of a self-rolling pet toy.

Explore the history and mystery of iron with a master blacksmith.

Explore iron, Earth’s most common element by mass.

Catch the momentary beauty of a water drop falling into a pool.

Ionized water swirls in pH-indicating dye.

Small chunks of dry ice jet and swirl across a liquid surface.

Pages