News tagged with light emission

Obama to unveil dramatic new auto emissions standards

A new front in the battle against climate change will open Tuesday, when President Barack Obama unveils sweeping new auto regulations described as equivalent to taking 177 million cars off the road.

Space & Earth / Environment

created May 19, 2009 | popularity 4.6 / 5 (57) | comments 16

British engineers slam home wind turbines as 'eco-bling'

Installing wind turbines and solar panels in people's homes is "eco-bling" that will not help meet Britain's targets on cutting carbon emissions, engineers warned Wednesday.

Technology / Energy & Green Tech

created Jan 20, 2010 | popularity 4.4 / 5 (29) | comments 9

Molecular light sources sensitive to environment

A Dutch-French team of scientists led by FOM (Foundation for Fundamental Research on Matter) researcher Dr Danang Birowosuto and University of Twente researcher Dr Allard Mosk has obtained the first experimental ...

Physics / Condensed Matter

created Jul 30, 2010 | popularity 5 / 5 (24) | comments 0

Liquid crystal lasers promise cheaper, high colour resolution laser television

(PhysOrg.com) -- Researchers at the Centre of Molecular Materials for Photonics and Electronics (CMMPE) (part of the Department's Photonics Research Group at the University of Cambridge) are leading the way ...

Physics / Optics & Photonics

created Apr 20, 2009 | popularity 4.6 / 5 (21) | comments 4

LED light bulbs yield big savings in energy

One way the United States could slash its electricity use, dependence on fossil fuels and emissions of heat-trapping gases is really quite simple: better light bulbs.

Technology / Energy & Green Tech

created Aug 13, 2009 | popularity 4.8 / 5 (20) | comments 42

Berkeley Researchers Light Up White OLEDs

(PhysOrg.com) -- Light-emitting diodes, which employ semiconductors to produce artificial light, could reduce electricity consumption and lighten the impact of greenhouse gas emissions. However, moving this ...

Nanotechnology / Nanophysics

created Apr 06, 2010 | popularity 4.4 / 5 (21) | comments 7 | with audio podcast

Proposed gamma-ray laser could emit 'nuclear light'

(PhysOrg.com) -- Building a nuclear gamma-ray laser has been a challenge for scientists for a long time, but a new proposal for such a device has overcome some of the most difficult problems. In the new study, Eugene Tkalya ...

Physics / Optics & Photonics

created May 02, 2011 | popularity 4.6 / 5 (20) | comments 12 | with audio podcast feature

New way to produce antimatter-containing atom discovered

(PhysOrg.com) -- Physicists at the University of California, Riverside report that they have discovered a new way to create positronium, an exotic and short-lived atom that could help answer what happened ...

Physics / General Physics

created Jul 11, 2011 | popularity 4.8 / 5 (19) | comments 14 | with audio podcast

Fermi Telescope Peers Deep into Microquasar (w/ Video)

(PhysOrg.com) -- NASA's Fermi Gamma-ray Space Telescope has made the first unambiguous detection of high-energy gamma-rays from an enigmatic binary system known as Cygnus X-3. The system pairs a hot, massive ...

Space & Earth / Astronomy

created Nov 27, 2009 | popularity 4.8 / 5 (17) | comments 0

Quantum dots are not dots: physicists

Researchers from the Quantum Photonics Group at DTU Fotonik in collaboration with the Niels Bohr Institute, University of Copenhagen surprise the scientific world with the discovery that light emission from ...

Nanotechnology / Nanophysics

created Dec 21, 2010 | popularity 4.7 / 5 (15) | comments 21 | with audio podcast

Researchers Develop Nanofiber-Based Technology to Make Energy-Efficient Lighting

(PhysOrg.com) -- RTI International has developed a revolutionary lighting technology that is more energy efficient than the common incandescent light bulb and does not contain mercury, making it environmentally ...

Nanotechnology / Nanomaterials

created Feb 10, 2010 | popularity 4.7 / 5 (14) | comments 7 | with audio podcast

Tiny diamond sparklers may hold the key to big advances in biomedical imaging technology

(PhysOrg.com) -- A team of researchers, led by Macquarie University Associate Professor James Rabeau, have discovered that the properties of light emitted from tiny isolated nano-diamonds are completely different ...

Nanotechnology / Nanophysics

created Apr 12, 2010 | popularity 4.7 / 5 (12) | comments 0 | with audio podcast

Resurfacing urban areas to offset 150 billion tons of carbon dioxide

Imagine a world where the rooftops and pavements of every urban area are resurfaced to increase the reflection of the Sun's light rays. Well, this is exactly what a group of Canadian researchers have done ...

Space & Earth / Environment

created Apr 12, 2012 | popularity 4.3 / 5 (12) | comments 23 | with audio podcast

Physicist finds colder isn't always slower as electron emissions increase at temps to -452 F

(PhysOrg.com) -- Science is detective work so it was not unexpected that new questions would follow old ones as Indiana University Bloomington nuclear physicist Hans-Otto Meyer's work progressed on testing ...

Physics / General Physics

created Apr 28, 2010 | popularity 4.6 / 5 (10) | comments 14 | with audio podcast

Astrophysicists discover new heating source in cosmological structure formation

(Phys.org) -- So far, astrophysicists thought that super-massive black holes can only influence their immediate surroundings. A collaboration of scientists at the Heidelberg Institute for Theoretical Studies ...

Space & Earth / Astronomy

created May 15, 2012 | popularity 4.1 / 5 (11) | comments 8 | with audio podcast