Word: gps
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...pioneering a new field she calls geo-encryption. Working with industry, Denning has developed a way to keep information undecipherable until it reaches its location, as determined by GPS satellites. Movie studios, for example, have been afraid to release films digitally for the same reasons record companies hate Napster: once loose on the Internet, there's little to stop someone from posting the latest blockbuster DVD on the Web for all to see and download. With Denning's system, however, only subscribers in specified locations--such as movie theaters--would be able to unscramble the data. The technology works...
EXPENSIVE $374 GARMIN ETREX VISTA Wherever you go, there you are--if you're carrying a GPS (global positioning system) unit. The eTrex Vista, Garmin's top-of-the-line model, gives you your latitude and longitude to a fiendishly precise 3 m. This cell phone-size gadget also packs an altimeter, an electronic compass and digital maps of the Americas. www.garmin.com
Precision Munitions --Guided by laser or GPS systems, these "smart" bombs and cruise missiles home in on preprogrammed targets...
Around this time Atta and other hijackers purchased global-positioning devices known as GPS-3s from Tropic-Aero, an aviation-supply shop in Fort Lauderdale, Fla. These $475 devices, about the size of Game Boys, are used by pilots to navigate. Says Jerry Carbone, Tropic-Aero's president: "It's so simple to use, you and your wife would be able to find your way in a 767 once it's up. It's sad if [the hijackers] were able to use something anyone can get at K Mart...
...position, depth, speed and direction, and store the data in digital archives. After six months, the tiny computer in the tag sends an electric current through a magnesium burn wire, which dissolves in the seawater and allows the tag to pop up to the surface. The tag transmits a GPS locator signal, and when satellites get a fix on it, they upload all the archived data of the shark's movements. The distances are likely to be huge. A shark tagged in Australia in a similar experiment this year traveled more than 1,800 miles along the country's coast...