Discover the best of the web!
Learn more about Digg by taking the tour.
nytimes.com — The racers may finally be reaching the starting line. The Rocket Racing League, a long-promised attempt to create a kind of Nascar of the skies, will hold its first exhibition races this year, its founders said. The races are promised as a kind of living video game — but louder — with a virtual raceway laid out in the sky that will be visible on pr