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 ...
(ISNS) — 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 ...