News tagged with visible color spectrum
Building a better light bulb
Scientists study the movement of charge carriers to design an organic LED that is energy efficient and still casts a warm, natural glow.
Feb 01, 2012 |
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Scientists Build First 'Frequency Comb' To Display Visible 'Teeth'
(PhysOrg.com) -- Finally, an optical frequency comb that visibly lives up to its name. Scientists at the University of Konstanz in Germany and the National Institute of Standards and Technology in the U.S. ...
Oct 29, 2009 |
4.9 / 5 (18) |
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LED closes the yellow gap: Full conversion of blue into amber light by new nitride phosphor
(PhysOrg.com) -- Monochromatic light-emitting diodes cover a large part of the visible spectrum with high effi-ciency. For blue light, nitride diodes achieve external quantum efficiencies in excess of 65%, ...
Jul 23, 2009 |
4.8 / 5 (8) |
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Search results for visible color spectrum
Cosmic calculations: Advance will help astrophysicists explore where stars are born
A University of Delaware-led research team reports an advance in the June 1 issue of Science that may help astrophysicists more accurately analyze the vast molecular clouds of gas and dust where stars are bo ...
May 31, 2012 |
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A pinwheel in many colors
(Phys.org) -- This image of the Pinwheel Galaxy, or also known as M101, combines data in the infrared, visible, ultraviolet and X-rays from four of NASA's space-based telescopes. This multi-spectral view shows ...
May 25, 2012 |
5 / 5 (4) |
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Forest recovering from Mt. St. Helens explosion: research (w/ Video)
(Phys.org) -- Mt. St. Helens exploded 32 years ago on May 18. It began with a small series of earthquakes and culminated with the volcano erupting, a cataclysmic collapse of the flank of the mountain and the largest landslide ...
Space & Earth / Earth Sciences
May 18, 2012 |
4.5 / 5 (2) |
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Feathers show their true colors
(Phys.org) -- For millennia birds have been prized, even hunted, for their beautiful plumage but what makes their feathers so colorful?
May 11, 2012 |
5 / 5 (1) |
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Brighter, smaller probes to uncover the secret lives of proteins
(Phys.org) -- Imagine tracking a deer through a forest by clipping a radio transmitter to its ear and monitoring the deer’s location remotely. Now imagine that transmitter is the size of a house, and ...
Nanotechnology / Bio & Medicine
May 08, 2012 |
5 / 5 (2) |
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Quantum dots brighten the future of lighting
(Phys.org) -- With the age of the incandescent light bulb fading rapidly, the holy grail of the lighting industry is to develop a highly efficient form of solid-state lighting that produces high quality white ...
Nanotechnology / Nanomaterials
May 08, 2012 |
4.8 / 5 (8) |
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H3+: The molecule that made the Universe
(Phys.org) -- In a study that pushed quantum mechanical theory and research capabilities to the limit, University of Arizona researchers have found a way to see the molecule that likely made the universe - ...
Apr 12, 2012 |
4.6 / 5 (18) |
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Hummingbirds take no notice of flower color
Hummingbirds pay no attention to what colour a flower is when figuring out whether to raid it for nectar, the latest research suggests.
Mar 16, 2012 |
4.3 / 5 (3) |
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'Star Comb' joins quest for Earthlike planets
(PhysOrg.com) -- If there is life on other planets, a laser frequency comb developed at the National Institute of Standards and Technology (NIST) may help find it.
Mar 07, 2012 |
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Metal nanoparticles shine with customizable color (w/ video)
(PhysOrg.com) -- Engineers at Harvard have demonstrated a new kind of tunable color filter that uses optical nanoantennas to obtain precise control of color output.
Feb 23, 2012 |
4.9 / 5 (8) |
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List of search results for visible color spectrum
