News tagged with digital communications

Encryption is less secure than we thought

Information theory—the discipline that gave us digital communication and data compression—also put cryptography on a secure mathematical foundation. Since 1948, when the paper that created information theory first appeared, ...

dateAug 14, 2013 in Mathematics
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US state home to new mega-warehouse for data

The new billion-dollar epicenter for fighting global cyberthreats sits just south of Salt Lake City, tucked away on a militia base at the foot of snow-capped mountains. The long, squat buildings are filled with super-powered ...

dateJun 13, 2013 in Internet
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Quantum cryptography goes maintream

(—Researchers from Toshiba and the Department of Engineering have perfected a technique that offers a less expensive way to ensure the security of high-speed fibre-optic cables, protecting communication networks ...

dateDec 05, 2012 in Quantum Physics
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LED lights point shoppers in the right direction

Looking for an item in a large department store or mall can be like searching for a needle in a haystack, but that could change thanks to a hybrid location-identification system that uses radio frequency transmitters and ...

dateJan 26, 2012 in Engineering
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