Image: SDO views active region loops
An active region viewed in profile put on quite a show of erupting plasma and looping arches on Sept. 22-23, 2015.
Space Exploration
Sep 30, 2015
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Page 13 - News tagged with light emission
Smarter programming of stoplights could improve efficiency of urban traffic
Sitting in traffic during rush hour is not just frustrating for drivers; it also adds unnecessary greenhouse gas emissions to the atmosphere.
Engineering
Mar 31, 2015
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Solving molybdenum disulfide's 'thin' problem
The promising new material molybdenum disulfide (MoS2) has an inherent issue that's steeped in irony. The material's greatest asset—its monolayer thickness—is also its biggest challenge.
Nanophysics
Mar 27, 2015
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Rediscovering spontaneous light emission
Berkeley Lab researchers have developed a nano-sized optical antenna that can greatly enhance the spontaneous emission of light from atoms, molecules and semiconductor quantum dots. This advance opens the door to light-emitting ...
Optics & Photonics
Feb 3, 2015
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Breakthrough lights up metamaterials
City College of New York led-team has successfully demonstrated how to both enhance light emission and capture light from metamaterials embedded with light emitting nanocrystals. The breakthrough, headed by physicist Dr. ...
Optics & Photonics
Jan 16, 2015
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A qubit candidate shines brighter
In the race to design the world's first universal quantum computer, a special kind of diamond defect called a nitrogen vacancy (NV) center is playing a big role. NV centers consist of a nitrogen atom and a vacant site that ...
Quantum Physics
Dec 29, 2014
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American cities are many times brighter than German counterparts, study shows
German cities emit several times less light per capita than comparably sized American cities, according to a recent publication in the journal Remote Sensing. The size of the gap grew with city size, as light per capita increased ...
Environment
Dec 29, 2014
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A step toward reduced nitrogen-oxide emissions in vehicles
Stricter environmental regulations enacted in the last few years are putting a squeeze on emissions from car engines, including nitrogen oxide. While modern "lean-burn" gasoline and diesel vehicles use less fuel, they also ...
Materials Science
Dec 22, 2014
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Heavy metal frost? A new look at a Venusian mystery
Venus is hiding something beneath its brilliant shroud of clouds: a first order mystery about the planet that researchers may be a little closer to solving because of a new re-analysis of twenty-year-old spacecraft data.
Space Exploration
Oct 20, 2014
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Beyond LEDs: Brighter, new energy-saving flat panel lights based on carbon nanotubes
Even as the 2014 Nobel Prize in Physics has enshrined light emitting diodes (LEDs) as the single most significant and disruptive energy-efficient lighting solution of today, scientists around the world continue unabated to ...
Nanomaterials
Oct 14, 2014
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