News tagged with background light
NTT researchers develop breakthrough optical memory device
(PhysOrg.com) -- To improve transmission speeds, the Internet has transitioned over the years from one using copper to fiber optic cabling. Unfortunately, this has caused a bottleneck to occur where the light ...
Feb 27, 2012 |
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Save your day: Mid-ocean creatures control light to avoid becoming snacks
If you're a snack-sized squid or octopus living in the ocean zone where the last bit of daylight gives way, having some control over your reflection could be a matter of life and death.
Nov 10, 2011 |
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Backgrounds
You’ve probably heard of the cosmic microwave background, but it doesn’t stop there. The as-yet-undetectable cosmic neutrino background is out there waiting to give us a view into the first seconds ...
Jun 28, 2011 |
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World of lights in the microcosmos
(PhysOrg.com) -- Light-emitting diodes are gaining ground: They are now being used as background lighting for displays. But the manufacturing of complex LED optics is still complex and expensive. A new technology ...
Jun 01, 2010 |
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Do we need dark matter?
It's the biggest problem in physics: the matter we can see in the universe accounts for just five per cent of the observed gravity that holds galaxies together.
Nov 12, 2009 |
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Physicist makes new high-res panorama of Milky Way
Cobbling together 3000 individual photographs, a physicist has made a new high-resolution panoramic image of the full night sky, with the Milky Way galaxy as its centerpiece. Axel Mellinger, a professor at ...
Oct 28, 2009 |
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Twinkling nanostars cast new light into biomedical imaging
(PhysOrg.com) -- Purdue University researchers have created magnetically responsive gold nanostars that may offer a new approach to biomedical imaging.
Nanotechnology / Bio & Medicine
Jul 21, 2009 |
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Ghost remains after black hole eruption
NASA's Chandra X-ray Observatory has found a cosmic "ghost" lurking around a distant supermassive black hole. This is the first detection of such a high-energy apparition, and scientists think it is evidence ...
May 28, 2009 |
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