Cough Captured on Film Using Supersonic Photography Technique

Using a technique more commonly used to image the supersonic shock cones forming around test aircraft in wind tunnels, a group of scientists say they've captured the dynamics of a cough on film for the first time. And yes...it looks absolutely as disgusting as you may imagine.Schlieren photography involves shining… » 10/28/08 11:15am 10/28/08 11:15am