News tagged with lighting devices

NREL Finds a Way to Give LEDs the Green Light

(PhysOrg.com) -- Light bulbs that last 100 years and fill rooms with brilliant ambiance may become a reality sooner rather than later, thanks to a National Renewable Energy Laboratory discovery.

Technology / Engineering

created Apr 05, 2010 | popularity 4.7 / 5 (52) | comments 20 | with audio podcast

Pentagon-backed 'time cloak' stops the clock (Update)

Pentagon-supported physicists on Wednesday said they had devised a "time cloak" that briefly makes an event undetectable.

Physics / General Physics

created Jan 04, 2012 | popularity 3.1 / 5 (64) | comments 43 | with audio podcast

Researchers create light from 'almost nothing'

(PhysOrg.com) -- A group of physicists working out of Chalmers University of Technology in Gothenburg, Sweden, have succeeded in proving what was until now, just theory; and that is, that visible photons could ...

Physics / Quantum Physics

created Jun 06, 2011 | popularity 4.9 / 5 (40) | comments 59 | with audio podcast report

OLED Tunes its Colors for Sunlight-Style Illumination

(PhysOrg.com) -- Scientists have developed a lighting device that can change its color temperature throughout the day, matching the natural daylight chromaticities produced by the sun. Currently, no other ...

Physics / General Physics

created Jul 16, 2009 | popularity 5 / 5 (39) | comments 15 feature

Discovery brings new type of fast computers closer to reality

Physicists at UC San Diego have successfully created speedy integrated circuits with particles called "excitons" that operate at commercially cold temperatures, bringing the possibility of a new type of extremely ...

Physics / Optics & Photonics

created Sep 27, 2009 | popularity 4.5 / 5 (35) | comments 1

Intel's Light Peak Will Replace Copper Wires

(PhysOrg.com) -- At the Intel Developer Forum in San Francisco Wednesday, the company announced a new optical cable that will be able to transfer data, between electrical devices, starting at speeds of 10 ...

Technology / Hi Tech & Innovation

created Sep 24, 2009 | popularity 4.5 / 5 (34) | comments 17 weblog

Using quantum methods to read classical memories offers surprising advantages

(PhysOrg.com) -- Currently, the data stored in classical digital memories such as CDs, DVDs, and barcodes is read by classical light. But as a new study shows, using quantum light to read these classical memories ...

Physics / Quantum Physics

created Mar 14, 2011 | popularity 4.8 / 5 (31) | comments 5 | with audio podcast feature

Super-thin flexible OLED from Sony

(PhysOrg.com) -- Sony is showing off prototypes incorporating its super-thin, flexible OLED technology at the CREATEC JAPAN 2009 IT and electronics trade show in Makuhari Messe (Chiba) in Japan.

Electronics / Consumer & Gadgets

created Oct 07, 2009 | popularity 4.6 / 5 (31) | comments 10 weblog

Foldable display shows no crease after 100,000 folding cycles

(PhysOrg.com) -- One of the most difficult problems for designing mobile devices is finding a way to minimize the size of the device while simultaneously maximizing the size of the display. To get the best ...

Physics / Condensed Matter

created May 12, 2011 | popularity 4.9 / 5 (26) | comments 10 | with audio podcast feature

'Space-time cloak' to conceal events revealed in new study

(PhysOrg.com) -- The study, by researchers from Imperial College London, involves a new class of materials called metamaterials, which can be artificially engineered to distort light or sound waves. With conventional ...

Physics / Optics & Photonics

created Nov 16, 2010 | popularity 4.3 / 5 (27) | comments 12 | with audio podcast

Light speed hurdle to invisibility cloak overcome by undergraduate

(PhysOrg.com) -- An undergraduate student has overcome a major hurdle in the development of invisibility cloaks by adding an optical device into their design that not only remains invisible itself, but also has the ability ...

Physics / General Physics

created Aug 09, 2011 | popularity 4.9 / 5 (22) | comments 30 | with audio podcast

Next generation cloaking device demonstrated

A device that can bestow invisibility to an object by "cloaking" it from visual light is closer to reality. After being the first to demonstrate the feasibility of such a device by constructing a prototype ...

Physics / General Physics

created Jan 15, 2009 | popularity 4.6 / 5 (19) | comments 10

Researchers analyze the future of transistor-less magnonic logic circuits

(PhysOrg.com) -- As one of the newest research areas today, the field of magnonics is attracting researchers for many reasons, not the least being its possible role in the development of transistor-less logic ...

Physics / General Physics

created Jun 28, 2010 | popularity 4.5 / 5 (18) | comments 2 | with audio podcast feature

Single molecule performs multiple logic operations simultaneously

(PhysOrg.com) -- While molecules have already been used to perform individual logic operations, scientists have now shown that a single molecule can perform 13 logic operations, some of them in parallel. The ...

Nanotechnology / Nanophysics

created May 23, 2011 | popularity 4.6 / 5 (17) | comments 9 | with audio podcast feature

Solar Cells with LEDs Provide Inexpensive Lighting

(PhysOrg.com) -- Of the 1.5 billion people in developing countries who do not have electricity, many rely on kerosene lamps for light after the sun goes down. But now, researchers from Denmark have designed ...

Technology / Energy & Green Tech

created Nov 09, 2009 | popularity 4.3 / 5 (18) | comments 2 weblog