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UNITED Airline Hemisphere Magazine
Posted by Cyrus Schenck on
A Silly Putty–Like Material Revolutionizes the Ski World Author Nicholas DeRenzo Illustration Jameson Simpson If you’ve ever played with Silly Putty or oobleck (that elementary-school science-class favorite made from cornstarch and water), you’ve experienced the bizarre world of non-Newtonian materials. Unlike the vast majority of substances found on Earth, these wacky fluids don’t follow Isaac Newton’s Third Law of Motion, which states that every action has an equal and opposite reaction. Instead, applying force changes the behavior and perceived stiffness of the material. Think, for example, of the way Silly Putty can be either an oozy pool of goo or a bouncy ball,...
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