Word: skies
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...down its prey and guide itself into a suicidal collision with the warhead. It will be receiving guidance from far below as early-warning radar systems detect the incoming warhead. These systems hand off data to a so-called X-band radar system based on Kwajalein, which stabs the sky with a narrow beam of electronic pulses. The X-band's shorter wavelengths and advanced signal-processing capabilities give it the power to "draw" a clear image of the incoming warheads and surrounding decoys from up to 1,000 miles away. (Ultimately, the system's $500 million X-band radar...
Back in the sky over the Pacific on Friday, physics and chemistry will take over. The interceptor's three sensors--two detecting heat and one detecting visible light--all share the telescope that juts out its front end. The visible-light sensor will get the interceptor into the right neighborhood, but only the infrared sensors can guide it into its target, gently steering it with minithrusters powered by 30 lbs. of liquid rocket fuel. For the heat-detecting sensors to "see" anything, they must be chilled to -330[degrees]F using nitrogen and krypton, funneled to the sensors through...
...What am I doing?!" But as he spread out the parachute and we attached our harnesses, and the chute filled with air and jerked us even higher than our take-off point, thoughts of plummeting to my death were replaced by the pleasant sensation of floating through the sky. The 30-minute flight down to the beach was like viewing the world from the window-seat of a plane, only better. Eric even let me take off my helmet to get the full effect, which he assured me he only does for his best customers. And as we touched down...
Coming home, I settle down at the computer screen and read the news on the Web. Something catches my eye - old business. The National Transportation Safety Board has decided that John Kennedy Jr. probably became disoriented in the night sky almost a year ago off Martha's Vineyard. The novice pilot's "spatial disorientation" caused the crash. We knew that, didn...
...somewhat smug recognition. For, unless you've been living a hermit-like existence in one of those New York subway tunnels, you must know that this weekend sees the release of the fourth Harry Potter book, "The Goblet of Fire." The print run is huge, the hype is sky-high. Amazon.com is dealing with an onslaught of orders...