The Slinky, the simple steel coil that has captivated generations of children, is still being made in the same Pennsylvania ...
In 1943 during World War II, Richard James was working as an engineer in the United States Navy. As he worked on a new ship, a torsion spring suddenly fell to the floor. Rather than gracing the ground ...
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 ...
Unitree is bringing its R1 to international markets. It arrives with some aerobatic capabilities and an entry-level price, but the question of what you'd actually do with it remains open. Marco ...
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 ...
HARRISBURG, Pa. — Pennsylvania has a state dog, a state insect, a state fossil, and even a state beverage. Why, Bob Swaim wonders, can’t it also have a state toy? Swaim, a retired math teacher from ...
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 ...
If we think of the slinky as one object, then we should expect the center of mass to behave as a dropped particle (after it is dropped). Just to make sure things are working, here is a plot of the ...
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