Playing the Eigenharp, while driving around the world in a Ford Fiesta.

Editor’s note: Wired.com contributor Jeremy Hart is making a 60-day, 15,000-mile drive around the world with a few mates in a pair of Ford Fiestas. He’s filing occasional reports

For pilots seeking a speed fix, this weekend’s Reno Air Races is the place to be. From the tiny Formula 1 class racers that lap the short course at more than 250 mph to the anything-goes unlimited class where pilots go more than 500 mph just 50 feet off the ground, going fast is the only goal.

The 47th annual