Soon we'll be hopping on a jet plane, heading to Vegas, living the life, playing with gadgets, and not getting a lot of sleep. Flying to Nevada for CES on a plane is easy, but getting to the airport can be a challenge if you live out in the country. NASA wants that fixed as a sort of spin-off of its Green Flight Challenge, a prize awarded to an aerial vehicle that can manage 200mpg at 100mph while emitting only 78db of noise at 250 feet. It would also need a very short takeoff and landing, something that would allow it to land on what's