stealth planes

Stealth Reborn

The Air Force wants a new bomber equipped with 21st-century technology. That could mean stealthier surface materials and laser weapons—and it might even skip the pilot

The B-2 stealth bomber, assisted by midair refuelings, can fly a 44-hour mission to the other side of the world, take out targets using laser-guided smart munitions, then sneak out of enemy territory undetected. Yet it runs on Intel 286 processors -- state of the art in 1982, but these days, not so much.

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Stealth Threat

Whoops! Phone signals may unmask a $40 billion flying secret.

Driving home from work, you suddenly remember that a few of the T-ball kids are supposed to come over after the game. Should you pick up a couple of pizzas on your way? You pull out your cellular phone and call home to check.

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December 2009: Best of What's New

In our December issue, Popular Science names the 100 best innovations of the year: bombproof wallpaper, self-parking cars, the fastest helicopter, and 97 more. Plus inventor profiles and videos.

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