Search results for polarized light:
Student Develops First Polarized LED
Mar 03, 2008 |
4.6 / 5 (42) |
4
In recent years, light emitting diodes (LEDs) have begun to change the way we see the world. Now, a Rensselaer Polytechnic Institute student has developed a new type of LED that could allow for their widespread ...
Polarized light guides cholera-carrying midges that contaminate water supplies
Biology /
Oct 31, 2008 |
5 / 5 (2) |
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Cholera is a major killer and since the first pandemic in the early 19th century it has claimed millions of lives. According to Amit Lerner from The Hebrew University of Jerusalem, Israel, the lethal infection is harboured ...
Polarized light pollution leads animals astray
Jan 07, 2009 |
3.7 / 5 (3) |
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Human-made light sources can alter natural light cycles, causing animals that rely on light cues to make mistakes when moving through their environment. In the journal Frontiers in Ecology and the Environment, a coll ...
Study: Squid are masters of disguise
Biology /
Sep 25, 2006 |
1.8 / 5 (4) |
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U.S. marine scientists say squid are masters of disguise, using their pigmented skin cells to camouflage themselves nearly instantaneously from predators.
Mantis shrimp vision reveals new way that animals can see
Biology /
Mar 20, 2008 |
4.6 / 5 (23) |
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Mantis shrimp can see the world in a way that had never been observed in any animal before, researchers report in the March 20th Current Biology. The discovery—which marks the fourth type of visual system ...
Mantis shrimps could show us the way to a better DVD
Oct 25, 2009 |
4.9 / 5 (18) |
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(PhysOrg.com) -- The remarkable eyes of a marine crustacean could inspire the next generation of DVD and CD players, according to a new study from the University of Bristol published today in Nature Photonics.
Advance by chemists may lead to better displays on laptop computers, cell phones
Nanotechnology / Nanomaterials
Sep 18, 2007 |
4.5 / 5 (25) |
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UCLA chemists working at the nanoscale have developed a new, inexpensive means of forcing luminescent polymers to give off polarized light and of confining that light to produce polymer-based lasers.
Sculptured materials allow multiple channel plasmonic sensors
Nov 10, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- Sensors, communications devices and imaging equipment that use a prism and a special form of light -- a surface plasmon-polariton -- may incorporate multiple channels or redundant applications if manufacturers ...
Northern lights glimmer with unexpected trait
Space & Earth / Earth Sciences
Apr 25, 2008 |
4.4 / 5 (13) |
2
An international team of scientists has detected that some of the glow of Earth’s aurora is polarized, an unexpected state for such emissions. Measurements of this newfound polarization in the Northern Lights may provide ...
Scientists demonstrate laser with controlled polarization
Apr 13, 2009 |
3.7 / 5 (15) |
3
Applied scientists at the Harvard School of Engineering and Applied Sciences (SEAS) in collaboration with researchers from Hamamatsu Photonics in Hamamatsu City, Japan, have demonstrated, for the first time, ...
Polarizing filter allows astronomers to see disks surrounding black holes
Jul 23, 2008 |
4.2 / 5 (23) |
3
(PhysOrg.com) -- For the first time, a team of international researchers has found a way to view the accretion disks surrounding black holes and verify that their true electromagnetic spectra match what astronomers ...
Physicists hope to tie light beams in knots
Sep 12, 2008 |
4.6 / 5 (131) |
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Usually, light beams shine in a straight line, with the possible exception of light being bent by gravity. But scientists are now investigating how to make light beams into looped and knotted configurations. ...
Spin polarization achieved in room temperature silicon
Nov 27, 2009 |
4.9 / 5 (18) |
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(PhysOrg.com) -- A group in The Netherlands has achieved a first: injection of spin-polarized electrons in silicon at room temperature. This has previously been observed only at extremely low temperatures, ...
Scientist fine-tune Hubble Space Telescope
Mar 25, 2009 |
4.3 / 5 (9) |
2
A scientist at Rochester Institute of Technology has expanded the Hubble Space Telescope's capability without the need for new instruments or billions of dollars.
Researchers Control the Spin of Semiconductor Quantum Dot Shell States
Feb 05, 2009 |
5 / 5 (3) |
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Scientists at the Naval Research Laboratory (NRL) have recently demonstrated the ability to control the spin population of the individual quantum shell states of self-assembled indium arsenide (InAs) quantum ...
