From the Soap and Detergent Association. See what bubbles look like under a microscope, find out why they are shaped like spheres, what happens when 2 bubbles meet, why they are so colorful, and more. From the Exploratorium science museum. Also read Frequently Asked Questions about bubbles and the history of bubble blowing. This is a commercial site.
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From the Exploratorium science museum. Each exhibit includes experiment activities. From the Exploratorium.