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How Come?: Why is ice so slippery?
How come ice is so slippery? asks Rebecca Anderson, a student in Brookville, NY.
If you've ever careened into the sink on your way across the kitchen in the morning, you know a patch of spilled water is slippery. On a dry floor, the friction between your shoes and the floor's surface keeps you from sliding. But add water, and you glide on a liquid film, reducing your soles' contact with the...
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