In an earthquake, ground motion is the result of waves emitted when the two sides of a fault move—or slip—rapidly past each other, with an average relative speed of about three feet per second. Not all fault segments ...
Earth Sciences
Jan 9, 2013
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Ad hoc networks—communication networks set up on the fly by mobile sensors—pose problems that ordinary office networks don't. Ad hoc networks are usually decentralized, meaning that no one node knows what the network ...
Computer Sciences
Jan 9, 2013
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(Phys.org)—The hand-held scanners, or tricorders, of the Star Trek movies and television series are one step closer to reality now that a University of Missouri engineering team has invented a compact source of X-rays and ...
Plasma Physics
Jan 8, 2013
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When disaster strikes, an effective response system will tell emergency workers where to go, and enable them to get there unimpeded. Residents will receive information they need in order to protect themselves. Moreover, if ...
Engineering
Jan 7, 2013
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The makers of Blekko believe they've built a great alternative to Google, but they're also realistic. They know their two-year-old Internet search engine won't ever supplant Google as the most popular place to search on laptop ...
Internet
Jan 4, 2013
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Entrepreneurs in China's southwest are dreaming of turning the city of Chengdu into the world's next Silicon Valley as the government encourages more investment outside the booming coastal regions.
Business
Dec 30, 2012
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(Phys.org)—Internet, computing and networking technologies are now integral to many people's lives, generating ever-increasing amounts of digital information. Data storage experts estimate that by 2020, 35 zettabytes—35 ...
Hardware
Dec 19, 2012
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A BlueVision Web Scraper that populates a database that tracks and evaluates press coverage. A hydrogen fuel-cell vehicle that will race in next year's Shell Eco-marathon Americas competition. A small cell tower, called the ...
Engineering
Dec 17, 2012
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A hacker has accessed personal details on thousands of Australia's future military leaders, a situation one expert has described as a national security failure.
Internet
Dec 12, 2012
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Understanding the arrangement of atoms in a solid—one of solids' fundamental properties—is vital to advanced materials research. For decades, two camps of researchers have been working to develop methods to understand ...
Condensed Matter
Dec 11, 2012
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