News tagged with white light

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Cheap and efficient white light LEDs new design described in AIP's Journal of Applied Physics

Cheap, efficient white light LEDs new design

Physics / General Physics

created Apr 07, 2009 | popularity 4.9 / 5 (26) | comments 5

Roughly 20 percent of the electricity consumed worldwide is used to light homes, businesses, and other private and public spaces. Though this consumption represents a large drain on resources, it also presents ...


Rogue Wave

Engineers ride 'rogue' laser waves to build better light sources

Physics / Optics & Photonics

created Mar 05, 2009 | popularity 4.1 / 5 (11) | comments 2

A freak wave at sea is a terrifying sight. Seven stories tall, wildly unpredictable, and incredibly destructive, such waves have been known to emerge from calm waters and swallow ships whole. But rogue waves ...


Bright White Light Coaxed from Unexpected Source

Bright White Light Coaxed from Unexpected Source

Nanotechnology / Nanophysics

created Dec 18, 2008 | popularity 4.7 / 5 (7) | comments 6

(PhysOrg.com) -- Duke University and United States Army scientists have found that a cheap and nontoxic sunburn and diaper rash preventative can be made to produce brilliant light best suited to the human ...


Freeing light shines promise on energy-efficient lighting

Physics / General Physics

created Jul 15, 2008 | popularity 4.5 / 5 (37) | comments 9

(PhysOrg.com) -- The latest bright idea in energy-efficient lighting for homes and offices uses big science in nano-small packages to dim the future Edison's light bulb.





Search results for white light


North Pole wolf emails locations to researchers

North Pole wolf emails locations to researchers

Biology / Plants & Animals

created 4 hours ago | popularity not rated yet | comments 0

In July the scientists, one from the United States, the other from Canada, put the satellite collar on Brutus, the leader of his wolf pack, on remote Ellesmere Island, only 600 miles from the North Pole. Their ...


Study describes new tool in the fight against autoimmune diseases, blood cancers

Medicine & Health / Research

created 23 hours ago | popularity not rated yet | comments 0

A study led by a Scripps Research Institute scientist describes a new, highly pragmatic approach to the identification of molecules that prevent a specific type of immune cells from attacking their host. The findings add ...


Herschel takes a peek at the ingredients of the galaxies

Herschel takes a peek at the ingredients of the galaxies

Space & Earth / Astronomy

created Nov 27, 2009 | popularity 4.8 / 5 (9) | comments 1

(PhysOrg.com) -- The European Space Agency has today released spectacular new observations from the Herschel Space Observatory, including the UK-led SPIRE instrument. Spectrometers on board all three Hershel ...


Cassini Captures Ghostly Dance of Saturn's Northern Lights

Cassini Captures Ghostly Dance of Saturn's Northern Lights (w/ Video)

Space & Earth / Space Exploration

created Nov 24, 2009 | popularity 4.9 / 5 (10) | comments 1

(PhysOrg.com) -- In the first video showing the auroras above the northern latitudes of Saturn, Cassini has spotted the tallest known "northern lights" in the solar system, flickering in shape and brightness ...


Baffling boxy bulge

NGC 4710 galaxy: Baffling boxy bulge (w/ Video)

Space & Earth / Astronomy

created Nov 18, 2009 | popularity 4.4 / 5 (14) | comments 0

(PhysOrg.com) -- Just as many people are surprised to find themselves packing on unexplained weight around the middle, astronomers find the evolution of bulges in the centres of spiral galaxies puzzling. A ...


clock

Research describes connections between Circadian and metabolic systems

Chemistry / Biochemistry

created Nov 17, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- A paper by University of Notre Dame biologist Giles Duffield and a team of researchers offers new insights into a gene that plays a key role in modulating the body’s Circadian system and may ...


Ticking stellar time bomb identified

Ticking stellar time bomb identified (w/ Video)

Space & Earth / Astronomy

created Nov 17, 2009 | popularity 4.7 / 5 (11) | comments 0

(PhysOrg.com) -- "One of the major problems in modern astrophysics is the fact that we still do not know exactly what kinds of stellar system explode as a Type Ia supernova," says Patrick Woudt, from the University ...


The creature was found at a depth of 161 metres

Japanese researchers film rare baby fish 'fossil'

Biology / Plants & Animals

created Nov 17, 2009 | popularity 4.7 / 5 (7) | comments 4

Japanese marine researchers said Tuesday they had found and successfully filmed a young coelacanth -- a rare type of fish known as "a living fossil" -- in deep water off Indonesia.


Antioxidant found in vegetables has implications for treating cystic fibrosis

Medicine & Health / Research

created Nov 16, 2009 | popularity 3 / 5 (3) | comments 0

Scientists at the University of Pennsylvania School of Medicine discovered that a dietary antioxidant found in such vegetables as broccoli and cauliflower protects cells from damage caused by chemicals generated during the ...


New study describes connections between Circadian and metabolic systems

Biology / Other

created Nov 12, 2009 | popularity 2.5 / 5 (2) | comments 0

A paper by University of Notre Dame biologist Giles Duffield and a team of researchers offers new insights into a gene that plays a key role in modulating the body's Circadian system and may also simultaneously modulate its ...



List of search results for white light