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 67-year-old Slinky is celebrating 350 million sales A private equity firm recently invested in Slinky toys The company that makes Slinkys is based in Michigan It has walked down staircases all ...
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