Search results for diode
Microreactors to produce explosive materials
The larger the reaction vessel, the quicker products can be made – or so you might think. Microreactors show just how wrong that assumption is: in fact, they can be used to produce explosive materials ...
13 hours ago |
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'Metamaterials,' quantum dots show promise for new technologies
(Phys.org) -- Researchers are edging toward the creation of new optical technologies using "nanostructured metamaterials" capable of ultra-efficient transmission of light, with potential applications including ...
May 24, 2012 |
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Samsung unveils ultra high-end TV
South Korea's Samsung Electronics on Thursday unveiled its new-generation premium television as global manufacturers seek to drive slowing sales with lucrative models.
Electronics / Consumer & Gadgets
May 10, 2012 |
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Nanocrystal infrared LEDs can be made cheaply
(Phys.org) -- Light-emitting diodes at infrared wavelengths are the magic behind such things as night vision and optical communications, including the streaming data that comes through Netflix. Cornell researchers have advanced ...
Nanotechnology / Nanomaterials
May 10, 2012 |
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LEDs on silicon can reduce production costs
A new manufacturing technology is expected to greatly reduce the cost of light-emitting diodes (LEDs) in the future. For the first time ever, researchers at the Siemens subsidiary Osram Opto Semiconductors ...
May 21, 2012 |
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Nanomedicine: Quantum dots appear safe in pioneering study on primates
A pioneering study to gauge the toxicity of quantum dots in primates has found the tiny crystals to be safe over a one-year period, a hopeful outcome for doctors and scientists seeking new ways to battle diseases ...
Nanotechnology / Bio & Medicine
May 20, 2012 |
4.3 / 5 (3) |
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MAJORANA, the search for the most elusive neutrino of all
(Phys.org) -- In a cavern almost a mile underground in the Black Hills, an experiment called the MAJORANA DEMONSTRATOR, 40 kilograms of pure germanium crystals enclosed in deep-freeze cryostat modules, will ...
May 17, 2012 |
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T-ray madness: Scientists score wireless data record
(Phys.org) -- Wednesday headlines trumpeted how "Japanese researchers smash Wi-Fi records" and "Scientists show off the future of Wi-Fi." The excitement is for good reason. A team of scientists have broken ...
May 16, 2012 |
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Real smart: Protective clothing with built-in A/C
(Phys.org) -- In order to test the new "smart" protective vest, an experimenter wearing one has jogged several kilometers on the treadmill in a climate-controlled chamber at Empa. During the jog he lost 544 ...
May 14, 2012 |
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Solar-panel-like retinal prosthesis could better restore sight to blind
(Phys.org) -- Using tiny solar-panel-like cells surgically placed underneath the retina, scientists at the Stanford University School of Medicine have devised a system that may someday restore sight to people ...
May 13, 2012 |
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With random lasers, Yale researchers fight random noise, improve imaging
(Phys.org) -- Using “random lasers” as a source of illumination in medical imaging equipment could improve both processing time and the clarity of the final images, according to new research by Yale ...
Apr 30, 2012 |
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Portable gas sensors improve atmospheric pollution measurements
Different types of compact, low-power portable sensors under development by three independent research groups may soon yield unprecedented capabilities to monitor ozone, greenhouse gases, and air pollutants. ...
Apr 30, 2012 |
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Conquering LED efficiency droop
WASHINGTON, April 30--Like a coffee enthusiast who struggles to get a buzz from that third cup of morning joe, light-emitting diodes (LEDs) seem to reach a point where more electricity no longer imparts the ...
Apr 30, 2012 |
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An optical diode made with silicon technology can be used for quantum information
(PhysOrg.com) -- Transistors, resistors, capacitors, and diodes. All of these are examples of common electrical circuit elements that can be found on a computer motherboard, for instance. Billions of transistors ...
Mar 23, 2012 |
4.6 / 5 (5) |
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Rebates to cut price of $60 LED bulb
(AP) -- How much would you pay for an amazing, state-of-the-art light bulb? Shoppers will be asking themselves that very question at Home Depot and other outlets starting Sunday - Earth Day - when the bulb ...
Technology / Energy & Green Tech
Apr 16, 2012 |
4 / 5 (6) |
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