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Researchers Make Quantum Bit Out of a Single Electron

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2008-08-21 16:07:46 by Priya Ganapati in Gadget Lab
...researchers have been able to hold a single electron in a stable "1" or "0" state, enabling it to function as a numeric bit The researchers were able to trap the spin of an electron in a single quantum dot to stably produce states of quantum bits between the equivalent of 0 and 1. A quantum dot is the equivalent of a transistor in electronic...
 
Tags: quantum, bit, quantum bit, scalable quantum computer, quantum bits, single quantum dot, electron, single electron, quantum computer
 
 
 
 
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Researchers put circuits on contact lenses, freak out rabbits

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2008-01-17 15:49:00 by Donald Melanson in Engadget
...researchers at the University of Washington may have outdone them all, with their latest creation promising not only heads-up displays, but "superhuman vision." That's apparently possible thanks to a combination of lights and circuits, which they've managed to cram onto lens no larger than your average contact -- though it doesn't even do so...
 
Tags: lenses, contact lenses, researchers, researchers flip, circuits, rabbits, average contact, adverse effects, superhuman vision
 
 
 
 
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Researchers tout 20 million processor-strong supercomputer to study climate change

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2008-05-07 12:23:00 by Donald Melanson in Engadget
...researchers at UC Berkeley have come up with a rather unique way of solving the problem of getting supercomputers past the processing power / energy consumption barrier, with them now touting the possibility of using millions of low-power embedded microprocessors instead of conventional server processors. That tantalizing prospect has...
 
Tags: researchers, berkeley, berkeley researchers, million, power, low-power, power consumption, extensible processor cores, conventional server processors
 
 
 
 
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NICT researchers develop new method to make holography more practical

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2008-11-24 17:17:00 by Donald Melanson in Engadget
...researchers at Japan's National Institute of Information and Communications Technology (or NICT) have gone some ways towards making holography a tiny bit more practical. As Tech-On reports, their method is based around a fly-eye lens that consists of a number of micro lenses, which allows for moving images to be captured in normal lighting...
 
Tags: nict, nict researchers develop, researchers, holography, practical, method, tiny image, image, images
 
 
 
 
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Researchers Create DNA Walker for Biocomputational Devices

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2008-01-22 10:44:57 by Michael in Medgadget
...Researchers at the California Institute of Technology report they are able to program the pathways by which DNA molecules self-assemble, and hence to engineer diverse dynamic functions at the molecular level This capability is essential for something like the memory of a DNA computer, which would need large groups of molecules that can toggle...
 
Tags: walker, dna walker, dna, dna molecules, dna track, track, dna sequences, dna computer, dna molecules self-assemble
 
 
 
 
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Heat to electricity - US Department of Energy researchers want to convert body heat into gadget-juice

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2008-01-22 21:12:42 by willpark in IntoMobile
...researchers at the US Department of Energys Lawrence Berkeley National Laboratory and the University of California at Berkeley have just made a breakthrough in heat-to-energy conversion. The breakthrough comes in the efficiency of converting heat to electricity. Until now, turning heat into energy has been a wasteful endeavor, but the...
 
Tags: heat, energy, heat-to-energy conversion, heat-energy, waste energy, samsung brings heat, electrical energy, body, juice
 
 
 
 
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Researchers tout nano explosive's ability to blast cancer cells

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2008-01-28 11:34:00 by Donald Melanson in Engadget
...researchers have found another, potentially bigger use for 'em -- namely, to blast those cancer cells away altogether. That's apparently possible by mixing two so-called nanothermite composites that act as a fuel and an oxidizer, which in turn generate combustion waves that can hit velocities ranging from 1,500 to 2,300 meters per second (or...
 
Tags: researchers, cancer cells, hit velocities, blast, nanothermite composites, diagnose cancer, animal tissue, combustion waves, human body
 
 
 
 
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Researchers tout co-op system for ubiquitous WiFi

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2008-02-04 11:24:00 by Donald Melanson in Engadget
...researchers at the University of Cambridge seem to think they've devised one of the most efficient solutions yet, although it's not without its share of hurdles. The basic idea is to turn a sometimes frowned upon activity into an acceptable one, by making it safe for individuals to share their home WiFi with neighbors and passers-by. To do...
 
Tags: researchers, wifi, researchers propose, home wifi, municipalities pass laws, pdf link, ubiquitous, share, isps
 
 
 
 
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Researchers warn of hacking risks to heart devices

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2008-03-12 12:48:00 by Donald Melanson in Engadget
...researchers are now warning about a possible vulnerability to an especially important bit of technology: medical devices that control the human heart. As The Wall Street Journal reports, the concerns are mostly centered around so-called "programmers," which are devices used to wirelessly communicate with the implanted defibrillator or...
 
Tags: researchers, devices, researchers warn, medical devices, defibrillator, medical information, theoretical risk, constant stream, radio signals