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Elusive Capacity of Networks: Calculating Data Network's Total Capacity Notoriously Difficult, but Theorists Making Some Headway
May 15, 2012 In its early years, information theory was dominated by research on error-correcting codes: How do you encode information so as to guarantee its faithful transmission, even in the presence of the ... > full story -
New Twist on Ancient Math Problem Could Improve Medicine, Microelectronics
May 10, 2012 A hidden facet of a math problem that goes back to Sanskrit scrolls has just been exposed by nanotechnology ... > full story -
Can Minor Vibrations Replaces Batteries in Power Sensors, Radio Transmitters and GPS Modules?
May 4, 2012 Sensors, radio transmitters and GPS modules all feature low power consumption. All it takes is a few milliwatts to run them. Energy from the environment -- from sources such as light or vibrations -- ... > full story -
Efficiency of Multi-Hop Wireless Networks Boosted
April 19, 2012 Multi-hop wireless networks can provide data access for large and unconventional spaces, but they have long faced significant limits on the amount of data they can transmit. Now researchers have ... > full story -
Free Apps Drain Smartphone Energy on 'Advertising Modules'
April 4, 2012 Researchers have shown that popular free smartphone apps spend up to 75 percent of their energy tracking the user's geographical location, sending information about the user to advertisers and ... > full story -
Artificially Structured Metamaterials May Boost Wireless Power Transfer
March 12, 2012 More than one hundred years after the pioneering inventor Nikola Tesla first became fascinated with wireless energy transfer, the spread of mobile electronic devices has sparked renewed interest in ... > full story -
Record-Speed Wireless Data Bridge Demonstrated: Takes High-Speed Communications the 'Last Mile'
February 27, 2012 Scientists have created a new way to overcome many of the issues associated with bringing high-speed digital communications across challenging terrain and into remote areas, commonly referred to as ... > full story -
Wireless Bicycle Brake, a Prototype on an Exciting Mission
February 24, 2012 At this time, wireless networks are able to brake just one bike, but in the future, the technical elements will be further developed to regulate entire trains as they travel over the lines. In view ... > full story -
Wireless Power Could Revolutionize Highway Transportation
February 1, 2012 A research team has designed a high-efficiency charging system that uses magnetic fields to wirelessly transmit large electric currents between metal coils placed several feet apart. The long-term ... > full story -
Smart Paint Could Revolutionize Structural Safety of Bridges, Mines and More
January 30, 2012 An innovative low-cost smart paint that can detect microscopic faults in wind turbines, mines and bridges before structural damage occurs is being ... > full story
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