News tagged with amber led
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 |
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Search results for amber led
Three-telescope interferometry allows astrophysicists to observe how black holes are fueled
(Phys.org) -- By combining the light of three powerful infrared telescopes, an international research team has observed the active accretion phase of a supermassive black hole in the center of a galaxy tens ...
May 16, 2012 |
4.9 / 5 (13) |
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Scientists discover first ever record of insect pollination from 100 million years ago
Amber from Cretaceous deposits (110-105 my) in Northern Spain has revealed the first ever record of insect pollination. Scientists have discovered in two pieces of amber several specimens of tiny insects covered ...
May 14, 2012 |
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Possible new route to fight dengue virus pointed
Researchers have identified enzymes and biochemical compounds called lipids that are targeted and modified by the dengue virus during infection, suggesting a potential new approach to control the aggressive ...
Mar 22, 2012 |
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Statue, chapels and animal mummies found in Egypt
A wooden statue of a king, a private offering chapel, a monumental building and remains of over 80 animal mummies found by a University of Toronto-led team in Abydos, Egypt reveal intriguing information about ...
Other Sciences / Archaeology & Fossils
Mar 12, 2012 |
4.3 / 5 (3) |
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Tree resin the key evidence of current and historic insect invasions
A University of Alberta-led research team has discovered that insects that bore into trees as long ago 90 million years, or as recently as last summer, leave a calling card that's rich with information.
Mar 23, 2011 |
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ONR providing SEALs with new glasses that change lens color on the fly
The Office of Naval Research's (ONR) TechSolutions department is set to deliver to Navy Special Warfare Command personnel later this year new protective eyewear that will eliminate the need for warfighters to stop to change ...
Jan 28, 2011 |
5 / 5 (1) |
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Supergiant star with a thick dust disc
How is it possible that HD 62623, a hot super-giant star on the verge of death, is surrounded by a disc, generally only associated with infant stars? Using long-baseline stellar interferometry at ESO's VLT ...
Jan 26, 2011 |
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Analysis: NASA flails as forces pull on it from all directions
NASA's human spaceflight program, once a symbol of America's technical supremacy, is flailing - beset by many of the same forces that once unified behind the agency to put a man on the moon.
Space & Earth / Space Exploration
Jan 19, 2011 |
5 / 5 (2) |
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Huge amber deposit discovered in India
Bees, termites, spiders, and flies entombed in a newly-excavated amber deposit are challenging the assumption that India was an isolated island-continent in the Early Eocene, or 52-50 million years ago. Arthropods ...
Other Sciences / Archaeology & Fossils
Oct 25, 2010 |
4.9 / 5 (33) |
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Unravelling the Mystery of Massive Star Birth: All Stars are Born the Same Way (w/ Video)
(PhysOrg.com) -- Astronomers have obtained the first image of a dusty disc closely encircling a massive baby star, providing direct evidence that massive stars form in the same way as their smaller brethren. ...
Jul 14, 2010 |
4.7 / 5 (15) |
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List of search results for amber led
