You know the Slinky, but have you ever wondered how it walks down stairs, or why it appears to hang in midair when dropped? Scientists have peered into these phenomena for decades, but now a Princeton ...
The story of the Slinky begins with a mechanical engineer, a shipbuilding factory, and a mishap. It was 1943. The U.S. Navy needed ships for World War II as the Battle of the Atlantic raged in the ...
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