Paper towels versus air dryers

Which method of drying your hand in a public bathroom is cleaner? Answer here.

I wonder if they air dryers evaluated were of the high-powered variety. In the Denver airport on my last business trip, I went to use an air dryer, and when I placed my hands beneath them, I was hit with a concussive jet of air so forceful it propelled me across the bathroom and through the opposite wall, leaving a person-shaped hole in the tiles.