Answers to questions about COVID safety, planning your visit, accessibility, food and more at the Exploratorium's beautiful bayside location at Pier 15, San Francisco.

Download the PDF file containing the cipher wheels.; Copy and cut out the two wheels. Place the smaller wheel on top of the larger wheel and rotate them so your "key letter" on the small wheel is ...

One of the most exciting exercises I ever did as a kid was to make a scale model of the Solar System. Most of the pictures in my books made the distance between planets seem small and easy to travel.

Here’s a cow’s eye from the meat company. The white part is the sclera, the outer covering of the eyeball. The blue is the cornea, which starts out clear but becomes cloudy after death. Step 2: ...

At the Exploratorium, we’re passionate about curiosity-driven learning, science, and art. We create extraordinary exhibits, projects, programs, and events that ignite curiosity and cultivate the ...

Projects. The Tinkering Studio is primarily an R&D laboratory on the floor of the Exploratorium, but whenever possible we try to share our projects, activities, and developing ideas following an “open ...

The Sun and moon aren’t really the same size, of course: the Sun is 400 times the diameter of the moon. But it’s also 400 times farther away from us, and this relationship between size and distance ...

Check out our cinema arts, evening, member, and other upcoming and ongoing events.

Make models of the earth and moon. Make a model Earth by rolling out a small ball of green or blue clay. The ball should be between ½ to ¾ inches (about 1.5 to 2 cm) in diameter (click to enlarge ...

Measure the efficiency of solar cells as they convert sunlight to power. Solar cells convert light energy into electrical energy. With a few simple tools on a sunny day (or working indoors under a ...

The Exploratorium is more than a museum—it’s a gateway to exploring science, art, and human perception with every visit. Let your curiosity roam through more than 700 interactive exhibits in six ...

Free Admission for California Public School Teachers. California public school K–12 teachers receive free admission to the Exploratorium. Teachers who qualify will be given one free, nontransferable, ...