7 Secret Ways America’s Stealth Armada Stays Off the Radar

It's no secret how America's stealth warplanes primarily evade enemy radars. Their airframes are specifically sculpted to scatter radar waves rather than bouncing them back to the enemy. Somewhat less important is the application, to select areas, of Radar Absorbing Material (RAM) meant to trap sensor energy not scattered by the plane's special shape. (www.wired.com) 更多...