For over a hundred years, schoolchildren around the world have learned that ice melts when pressure and friction are applied. When you step out onto an icy pavement in winter, you can slip up because ...

It’s an oft-cited science “fact” that ice is slippery due to pressure or friction, but this explanation doesn’t explain why ice’s slippery behavior remains at temperatures where such melting isn’t ...

The illustration shows what happens on the surface of ice when another object, such as skis, ice skates or shoe soles, comes into contact with it: the previously orderly crystal structure of the water ...