Heh, maybe the problem is the premise. What real surface made of matter would even come close to this? Strikes me too as a case of theoreticians being wankers. Maybe I'm unimaginative, but I can't see ...

What is a friction blister? If you’ve ever decided to break in a new pair of shoes by going for a long walk or run, you may have been sidelined by a painful friction blister. These fluid-filled ...