News tagged with polarizing filter
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.
Polarizers may enhance remote chemical detection
Chemistry / Analytical Chemistry
Mar 11, 2009 |
5 / 5 (1) |
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Chemists can analyze the composition of a suspected bomb -- without actually touching and possibly detonating it -- using a technique called laser-induced breakdown spectroscopy, or LIBS. The tool is also commonly used for ...
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 ...
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Explained: The Discrete Fourier Transform
Nov 25, 2009 |
4.1 / 5 (27) |
8
(PhysOrg.com) -- In 1811, Joseph Fourier, the 43-year-old prefect of the French district of Isčre, entered a competition in heat research sponsored by the French Academy of Sciences. The paper he submitted ...
Software takes a hard look at traffic fatalities
Nov 24, 2009 |
not rated yet |
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Bergen County Police and a Hackensack, N.J., drug treatment center are among a growing number of agencies using a software program to identify dangerous intersections, spot teen driving trends and reduce accident fatalities.
Google, Yahoo zero in on Internet 'freedom' bill
Nov 24, 2009 |
4 / 5 (1) |
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Google Inc. and other Internet companies have zeroed in on a resilient effort by a Republican lawmaker to pass legislation that could restrict their ability to take a nuanced approach to operating in "repressive" foreign ...
Selling chip makers on optical computing
Nov 24, 2009 |
4.6 / 5 (11) |
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(PhysOrg.com) -- Computer chips that transmit data with light instead of electricity consume much less power than conventional chips, but so far, they've remained laboratory curiosities. Professors Vladimir ...
Trying last-ditch lung bypass for worst swine flu
Nov 23, 2009 |
not rated yet |
1
(AP) -- A technology originally developed for premature babies may be helping to save some of the sickest swine flu patients by rerouting their blood so their lungs can rest.
Visual assistance for cosmic blind spots
Nov 23, 2009 |
4.3 / 5 (3) |
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A bit of imagination on the part of a measuring instrument wouldn't be a bad thing. It could help to add data from areas where the instrument is unable to measure. However, it must do so constructively. In ...
Upending textbook science on Alzheimer's disease
Medicine & Health / Neuroscience
Nov 23, 2009 |
5 / 5 (6) |
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Alzheimer's disease is caused by the build-up of a brain peptide called amyloid-beta. That's why eliminating the protein has been the focus of almost all drug research pursuing a cure for the devastating neurodegenerative ...
Using new technique, scientists find 11 times more aftershocks for 2004 quake
Space & Earth / Earth Sciences
Nov 23, 2009 |
4.5 / 5 (2) |
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(PhysOrg.com) -- Using a technique normally used for detecting weak tremor, scientists at the Georgia Institute of Technology discovered that the 2004 magnitude 6 earthquake along the Parkfield section of the San Andreas ...
Qualcomm's next e-book to use a mirasol display
Electronics / Consumer & Gadgets
Nov 20, 2009 |
4.7 / 5 (11) |
2
(PhysOrg.com) -- Qualcomm subsidiary Mirasol is developing a new e-book reader with a color display that uses ambient light. The reader will be capable of displaying video smoothly, but the new features will ...
End of the e-mail era? I'm not buying it
Nov 19, 2009 |
5 / 5 (2) |
1
I don't know about you, but I'm overwhelmed by e-mail. Yes, I know. The Wall Street Journal has declared that e-mail's reign is over. It's supposedly being replaced by technologies such as instant messaging, social networking ...
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