While holiday shoppers search frantically for the Moshi Monsters, LeapPad Explorers, or Lalaloopsy Silly Hair dolls atop their children’s wish lists, many physicists remain engrossed in the properties of a simple 1940s-era toy — the Slinky.
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Secrets of the ‘Levitating’ Slinky: Viral web videos trigger physicists to explore a striking phenomenon
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