Rocket Racing League X Racer
In August, the first Rocket Racing League airplane flew for a live audience. The signal innovation: using a piston pump to pressurize fuel instead of a conventional (and much more expensive) turbopump. It's a big step toward more-affordable rocket-powered flight. rocketracingleague.com
Ideas, thoughts, suggestions and questions about Best of What's New 2008? Post them in the BOWN2008 forum. If you have questions, Popular Science magazine editors will answer them there!