It scrapes away (rather than evaporates) water using two jets of HEPA-filtered air that reach top speeds of 430 mph and are powered by a proprietary motor that accelerates from a dead stop to 95, 000 rpm in 0.7 second flat.
It is true quats linger on the hands while alcohol evaporates in 10 or 20 seconds, says Jason Tetro, a microbiologist at the University of Ottawa in Ontario.