The explosive popularity of wireless devices—from WiFi laptops to Bluetooth headsets to ZigBee sensor nodes—is increasingly clogging the airwaves, resulting in dropped calls, wasted bandwidth and botched connections. ...
Computer Sciences
Apr 11, 2013
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An idea from EADS and Vienna University of Technology is taking off: in a joint project, Energy Harvester Modules suitable for aircrafts have been tested, which should supply sensor nodes with electrical power in the future.
Engineering
Apr 10, 2013
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A team of researchers from the UPNA-Public University of Navarre is leading the ENEIDA project, due to end this year and which aims to tackle the technological changes needed to create more energy-efficient and more environmentally-friendly ...
Engineering
Mar 14, 2013
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In his State of the Union address this month, President Obama named hackers and "cyber-attacks" as amongst the greatest economic and national security threats to the United States. The President has a point; earlier this ...
Internet
Mar 12, 2013
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(Phys.org) —A complex system can, in principle, be observable – that is, the system's complete internal state can be reconstructed from its outputs, which would ostensibly involve describing in complete quantitative detail ...
(Phys.org)—Lymph nodes can provide a suitable home for a variety of cells and tissues from other organs, suggesting that a cell-based alternative to whole organ transplantation might one day be feasible, according to researchers ...
Biotechnology
Sep 27, 2012
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(Phys.org) -- The first U.S. cabled ocean observatory reached a milestone on July 14 with the installation of a node 9,500 feet deep off the coast of Oregon. Like a giant electrical outlet on the seafloor that also provides ...
Earth Sciences
Jul 26, 2012
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Males of the Japanese tree frog have learnt not to use their calls at the same time so that the females can distinguish between them. Scientists at the Polytechnic University of Catalonia have used this form of calling behaviour ...
Computer Sciences
Jul 17, 2012
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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 from North Carolina State University ...
Telecom
Apr 19, 2012
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Energy data from sources such as human motion, wind speeds and light irradiance that could be used to power wireless electronic devices is being made available to the world's scientific community, thanks to a new resource ...
Energy & Green Tech
Mar 9, 2012
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