Add Yahoo as a preferred source to see more of our stories on Google. New simulations show ice stays slippery in deep cold because its crystal structure breaks down under motion, not because it melts.
For nearly two centuries, the world accepted a simple explanation for why ice makes us slip. According to physics textbooks, pressure from a skate, a boot or a tyre melts a microscopic film of water ...
Winter Storm Fern, a rare convergence of Arctic cold and Southwest moisture, seems set to bring Arctic weather to many parts of the U.S. this weekend. With it, storm warnings included familiar ...
The original version of this story appeared in Quanta Magazine. The reason we can gracefully glide on an ice-skating rink or clumsily slip on an icy sidewalk is that the surface of ice is coated by a ...
When you step onto an icy sidewalk or push off on skis, the surface can seem to vanish beneath you. For more than a century, scientists have debated why ice stays slippery, even well below freezing.