Modern Marvels

From building cutting-edge competition venues to the latest sports science training, winter sports use more technology than ever. This episode takes you behind the scenes of the Vancouver 2010 Olympic Winter games. Olympic organizers race against the clock to build venues, expand transportation and security, and add futuristic touches to the ultimate Olympic icon–the Olympic torch. Meanwhile, US Olympic hopefuls use high-tech training tools to gain a competitive edge. Take in breathtaking views from the world's highest unsupported gondola and rocket down a bobsled track at 80 miles per hour, as we show you winter sports like you've never seen them before.