7. Silly Putty

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7. Silly Putty

It bounces, it stretches, it breaks -- it's Silly Putty, the silicone-based plastic clay marketed as a children's toy by Binney & Smith, Inc. During World War II, while attempting to create a synthetic rubber substitute, James Wright dropped boric acid into silicone oil. The result was a polymerized substance that bounced, but it took several years to find a use for the product. Finally, in 1950, marketing expert Peter Hodgson saw its potential as a toy, renamed it Silly Putty, and a classic toy was born! Not only is it fun, Silly Putty also has practical uses -- it picks up dirt, lint, and pet hair; can stabilize wobbly furniture; and is useful in stress reduction, physical therapy, and in medical and scientific simulations. It was even used by the crew of Apollo 8 to secure tools in zero gravity.

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