News tagged with optical properties
Small optical force can budge nanoscale objects
Nov 17, 2009 |
4.8 / 5 (13) |
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(PhysOrg.com) -- Engineering researchers have used a very tiny beam of light with as little as 1 milliwatt of power to move a silicon structure up to 12 nanometers.
Invisibility visualized: German team unveils new software for rendering cloaked objects
Nov 13, 2009 |
4.8 / 5 (4) |
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(PhysOrg.com) -- Scientists and curiosity seekers who want to know what a partially or completely cloaked object would look like in real life can now get their wish -- virtually. A team of researchers at the ...
Designer molecule detects tiny amounts of cyanide, then glows
Oct 21, 2009 |
4 / 5 (3) |
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(PhysOrg.com) -- A small molecule designed to detect cyanide in water samples works quickly, is easy to use, and glows under ultraviolet or "black" light. Although the fluorescent molecule is not yet ready ...
Researchers uncover recipe for controlling carbon nanotubes
Nanotechnology / Nanomaterials
Oct 14, 2009 |
4.6 / 5 (5) |
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(PhysOrg.com) -- Carbon nanotubes hold promise for delivering medicine directly to a tumor; acting as sensors so keen they detect the arrival or departure of a single electron; replacing costly platinum in ...
Graphene and gallium arsenide: Two perfect partners find each other
Sep 16, 2009 |
2 / 5 (2) |
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It is the marriage of two top candidates for the electronics of the future, both excentric and extremely interesting: Graphene, one of the partners, is an extremely thin fellow and besides, very young.
Navy grant to fund probe of squid and octopus camouflage
May 20, 2009 |
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Octopuses and squid are big brained species that use much of their mental powers to adjust their own appearances. This remarkable ability to camouflage on the fly has inspired the Office of Naval Research to award $7.5 million ...
Highly conductive nanocomposites: Inexpensive plastic used in CDs could improve electronics
Nanotechnology / Nanomaterials
May 15, 2009 |
5 / 5 (3) |
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If one University of Houston professor has his way, the inexpensive plastic now used to manufacture CDs and DVDs will one day soon be put to use in improving the integrity of electronics in aircraft, computers and iPhones.
Liquid lens creates tiny flexible laser on a chip
May 11, 2009 |
2.3 / 5 (3) |
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(PhysOrg.com) -- Like tiny Jedi knights, tunable fluidic micro lenses can focus and direct light at will to count cells, evaluate molecules or create on-chip optical tweezers, according to a team of Penn State engineers. ...
A secret to night vision found in DNA's unconventional 'architecture'
Apr 16, 2009 |
5 / 5 (3) |
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Researchers have discovered an important element for making night vision possible in nocturnal mammals: the DNA within the photoreceptor rod cells responsible for low light vision is packaged in a very unconventional way, ...
Next generation nanofilms created
Apr 14, 2009 |
5 / 5 (2) |
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With the human genome in hand, biochemists have cataloged the 3-D structures of thousands of proteins isolated from living cells. But one important class of proteins -- those stuck in the cell membranes -- has proven difficult ...
Transparent Carbon Nanotube Films Likely Successor to ITO for Commercial Applications
Nanotechnology / Nanomaterials
Apr 10, 2009 |
4.5 / 5 (19) |
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(PhysOrg.com) -- Will the legacy of Nobel prize winner Richard Smalley finally be fulfilled? Ever since his pioneering work in the mid 1990's on the synthesis of carbon nanotubes, companies have been struggling ...
Forward step in forecasting global warming
Space & Earth / Earth Sciences
Aug 07, 2008 |
3.1 / 5 (33) |
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Arizona State University researchers have made a breakthrough in understanding the effect on climate change of a key component of urban pollution. The discovery could lead to more accurate forecasting of possible global-warming ...
