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The Exploratorium has been sparking curiosity for more than 50 years, inspiring learners of all ages through hands-on science ...

Now we have great tools like spreadsheets to do the numerical computations for us. Below you can download OpenOffice (or Libre Office), Apple Numbers or Excel format files. In these spreadsheets, you ...

Try a new tilt on eclipses. Why doesn’t a solar or lunar eclipse happen every month? It’s because the moon’s orbit around the earth is tilted in relation to the earth’s orbit around the Sun. In this ...

Bilingual, family-friendly event on Saturday, September 27, showcases hands-on activities, inspiring talks, live music, and ...

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Completely fill two bottles with hot water. Keep filling until a meniscus (an upward bulge) forms on the surface of the water. Completely fill two bottles with cold water. Keep filling until a ...

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: ...

Make three Roto-Copters for each person. Use a marker to draw a 1-foot circle on a piece of newspaper. Put a cereal bowl in the middle of the circle. The circle is the target area and the bowl is the ...

At Pier 15, the museum is divided into galleries filled with exhibits ranging from mechanical contraptions to artworks highlighting the beauty of the physical phenomena that surround us. Galleries are ...

A bicycle wheel acts like a giant gyroscope. A spinning bicycle wheel resists efforts to tilt it and point the axle in a new direction. Any rapidly spinning wheel exhibits this gyroscopic property—and ...