You’ve probably seen an ice skater spinning on the tip of one skate suddenly start to spin dramatically faster. A diver or gymnast may also suddenly flip or twist much faster. This speeded-up rotation ...

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.

The fact that sugar solidifies into crystals is extremely important in candy making. There are basically two categories of candies - crystalline (candies which contain crystals in their finished form, ...

The attraction and repulsion of magnets produces entrancing, unpredictable motion. Patterns of order can be found in apparently disordered systems. This pendulum—a magnet swinging over a small number ...

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 ...

The pneumatic tire and the chain drive, followed by the development of gears, revolutionized bicycling in the later 1800s. In the last fifteen years, there has been a revolution of sorts in the ...

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, ...

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 ...

Materials. Here is a list of useful parts if you want to experiment with paper circuits at home. Essential materials. Conductive thread Thread that is made of either steel or silver will conduct ...

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.

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 ...