News tagged with optical antennas
Can a single molecule behave as a mirror?
Nov 18, 2008 |
4.4 / 5 (59) |
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(PhysOrg.com) -- “We have shown for the first time, theoretically, that a single molecule can behave as a perfect mirror,” Mario Agio tells PhysOrg.com. “Imagine that your mirror at home becomes a single molecule and that y ...
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Aircraft that can see for themselves (w/ Video)
Nov 14, 2009 |
4.6 / 5 (9) |
0
(PhysOrg.com) -- Australian researchers have made two important advances in the development of unmanned aircraft capable of seeing for themselves as they fly fast and low over dangerous terrain.
Invisibility visualized: German team unveils new software for rendering cloaked objects
Nov 13, 2009 |
4.8 / 5 (4) |
2
(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 ...
Rosetta sees a living planet
Space & Earth / Space Exploration
Nov 13, 2009 |
5 / 5 (3) |
0
(PhysOrg.com) -- Images and data taken just before closest approach were downloaded this morning, and they show the lights of North America in the night and a glowing Southern Hemisphere.
Cryptographic voting debuts
Technology / Computer Sciences
Nov 13, 2009 |
5 / 5 (3) |
5
(PhysOrg.com) -- Last week, in Takoma Park, Md., a new cryptographic voting system that could ensure accurate vote counts was used for the first time in a real election. MIT’s Ron Rivest, the Viterbi Professor ...
Rosetta bound for outer Solar System after final Earth swingby (w/ Video)
Space & Earth / Space Exploration
Nov 13, 2009 |
4.9 / 5 (7) |
1
(PhysOrg.com) -- This morning, mission controllers confirmed that ESA’s comet chaser Rosetta had swung by Earth at 8:45 CET as planned, skimming past our planet to pick up a gravitational boost for an epic ...
First view of Earth as Rosetta approaches home
Space & Earth / Space Exploration
Nov 12, 2009 |
4.5 / 5 (6) |
0
(PhysOrg.com) -- This spectacular image of our home planet was captured by the OSIRIS instrument on ESA's Rosetta comet chaser earlier today as the spacecraft approached Earth for the third and final swingby. ...
Study finds many people with hemianopia have difficulty detecting pedestrians while driving
Nov 12, 2009 |
not rated yet |
0
Schepens Eye Research Institute scientists have found that--when tested in a driving simulator--patients with hemianopia (blindness in one half of the visual field in both eyes) have significantly more difficulty detecting ...
New nano color sorters from Molecular Foundry
Nov 12, 2009 |
4.3 / 5 (4) |
0
Berkeley Lab researchers have engineered a new class of bowtie-shaped devices that capture, filter and steer light at the nanoscale. These "nano-colorsorter" devices act as antennae to focus and sort light ...
Pushing light beyond its known limits
Nov 12, 2009 |
4.1 / 5 (17) |
6
Scientists at the University of Adelaide have made a breakthrough that could change the world's thinking on what light is capable of.
A lightning strike in Africa helps take the pulse of the sun
Space & Earth / Space Exploration
Nov 11, 2009 |
4.4 / 5 (10) |
2
Sunspots, which rotate around the sun's surface, tell us a great deal about our own planet. Scientists rely on them, for instance, to measure the sun's rotation or to prepare long-range forecasts of the Earth's ...
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