IT TAKES SERIOUS skills to fly the F-22 Raptor. The single-seat fighter can cruise in supersonic flight and reach 60,000 feet. Thanks to 35,000 pounds of thrust from each of its two engines, can easily surpass Mach 2.25. At roughly $150 million per jet, you don’t want to leave one in the hands of a novice. (www.wired.com) 更多...
