News tagged with input power

Laser diodes versus LEDs

Solid-state lighting based on light-emitting diodes (LEDs) is the most efficient source of high color quality white light. Nevertheless, they show significant performance limitations such as the "efficiency ...

Nov 11, 2013
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Boosting heat transfer with nanoglue

(Phys.org)—A team of interdisciplinary researchers at Rensselaer Polytechnic Institute has developed a new method for significantly increasing the heat transfer rate across two different materials. Results ...

Dec 04, 2012
5 / 5 (7) 0

LED's efficiency exceeds 100%

(PhysOrg.com) -- For the first time, researchers have demonstrated that an LED can emit more optical power than the electrical power it consumes. Although scientifically intriguing, the results won’t ...

Mar 05, 2012 report
4.2 / 5 (81) 60

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X-rays probe LHC for cause of short circuit

The LHC has now transitioned from powering tests to the machine checkout phase. This phase involves the full-scale tests of all systems in preparation for beam. Early last Saturday morning, during the ramp-down, ...

Mar 27, 2015
4.5 / 5 (6) 2

Nanostructure complex materials modeling  

Materials with chemical, optical, and electronic properties driven by structures measuring billionths of a meter could lead to improved energy technologies—from more efficient solar cells to longer-lasting ...

Mar 25, 2015
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The rise of the new celebrity scientists

Are you wondering how a biopic about a scientist, The Theory of Everything, garnered five Oscar nominations - or even got made in the first place? American University's School of Communication professor Declan ...

Mar 18, 2015
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