Why Is Ice Slippery? New Study Overturns 200-Year-Old Physics Theory

For nearly two centuries, scientists believed that ice becomes slippery because pressure or friction melts its surface. New research from Saarland University overturns this idea. For more than a century, students around the world have been told that pressure and friction make ice melt. The familiar winter slip on a frozen sidewalk is often blamed [...]

from SciTechDaily https://ift.tt/5JKu2r7