Ski-Flying

Hans Thirring, a theoretical physicist at the University of Vienna, is skiing down a mountain slope wearing cape-like attire. The cape, designed by Thirring and called the Thirring mantel, is made of parachute silk and acts somewhat like a parachute to provide its wearer reduced speed while shushing down the slopes. But it also provides lift so that the skier is lighter on his skis, almost weightl…