Where did Silly Putty come from?

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Where did Silly Putty come from?

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Silly Putty started as a mistake in a New Haven laboratory, and turned into a consumer hit in the 1960s by sheer chance. According to engineers, Silly Putty is a self-contradiction. Chemically, it is a liquid, but it resembles a solid. The molecular structure will stretch if the structure is slowly pulled. But if tugged, it snaps apart. The toy has a rebound capacity of 75 to 80 percent, whereas a rubber ball has only about a 50-percent bounce-back. A silicon derivative, Silly Putty won’t rot; it can withstand temperatures from -70 degrees Fahrenheit to hundreds degrees above zero. On top of all that, it picks up newsprint, often sharper than the original.