Search results for opaque scattering
Physicists see through the opaque with 'T-rays'
Dec 18, 2009 |
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"T-rays" may make X-rays obsolete as a means of detecting bombs on terrorists or illegal drugs on traffickers, among other uses, contends a Texas A&M physicist who is helping lay the theoretical groundwork to make the concept ...
Computing with a wave of the hand (w/ Video)
Dec 11, 2009 |
4.9 / 5 (14) |
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(PhysOrg.com) -- The iPhone’s familiar touch screen display uses capacitive sensing, where the proximity of a finger disrupts the electrical connection between sensors in the screen. A competing approach, ...
A see-through surprise: Scientists make solid material transparent to terahertz waves
Dec 07, 2009 |
4.6 / 5 (19) |
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Very often in science, the unexpected discovery turns out to be the most significant. Rice University Professor Junichiro Kono and his team weren't looking for a breakthrough in the transmission of terahertz signals, but ...
Studying a Star Before it is Born
Dec 04, 2009 |
4.6 / 5 (5) |
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(PhysOrg.com) -- The first phase of a star's formation are thought to begin deep inside a natal cloud of gas and dust. In the earliest stages, material coalesces under the influence of gravity into so-called ...
Spitzer Telescope Observes Baby Brown Dwarf
Nov 23, 2009 |
4.8 / 5 (13) |
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(PhysOrg.com) -- NASA's Spitzer Space Telescope has contributed to the discovery of the youngest brown dwarf ever observed -- a finding that, if confirmed, may solve an astronomical mystery about how these ...
Small optical force can budge nanoscale objects
Nov 17, 2009 |
4.9 / 5 (14) |
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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.
Cataract surgery does not appear associated with worsening of age-related macular degeneration
Nov 09, 2009 |
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Age-related macular degeneration does not appear to progress at a higher rate among individuals who have had surgery to treat cataract, contrary to previous reports that treating one cause of vision loss worsens the other, ...
New Japanese glasses bring tears to the eyes
Electronics / Consumer & Gadgets
Oct 27, 2009 |
3.6 / 5 (9) |
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The Japanese eyewear company behind Sarah Palin's designer glasses has come up with a high-tech solution for obsessive video-gamers and bookworms whose eyes dry out from lack of blinking.
New look for antiques: Paintings and gilt surfaces can be effectively and gently restored with water-based microemulsion
Oct 26, 2009 |
4 / 5 (2) |
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(PhysOrg.com) -- In the past, restoration of paintings and other old artwork often involved application of acrylic resins to consolidate and protect them. One of the most important tasks for modern restorers ...
Light at night linked to symptoms of depression in mice
Medicine & Health / Neuroscience
Oct 21, 2009 |
4 / 5 (7) |
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Too much light at night can lead to symptoms of depression, according to a new study in mice. Researchers found that mice housed in a lighted room 24 hours a day exhibited more depressive symptoms than did similar mice that ...
Company Introduces Novel Nanotechnology for Revolutionizing Imaging Using T-rays
Oct 20, 2009 |
4.3 / 5 (6) |
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Yissum Research Development Company of the Hebrew University of Jerusalem today announced that Professor L.D. Shvartsman and Professor B. Laikhtman, from the Racah Institute of Physics at the Hebrew University of Jerusalem, ...
Hyper-SAGE boosts remote MRI sensitivity
Oct 09, 2009 |
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A new technique in Magnetic Resonance Imaging dubbed "Hyper-SAGE" has the potential to detect ultra low concentrations of clincal targets, such as lung and other cancers. Development of Hyper-SAGE was led ...
Do dust particles curb climate change?
Space & Earth / Earth Sciences
Oct 06, 2009 |
4.6 / 5 (5) |
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(PhysOrg.com) -- A knowledge gap exists in the area of climate research: for decades, scientists have been asking themselves whether, and to what extent man-made aerosols, that is, dust particles suspended ...
NYU anthropologist to examine how human rights rankings are created
Other Sciences / Social Sciences
Oct 05, 2009 |
5 / 5 (1) |
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New York University Anthropology Professor Sally Engle Merry will examine how rankings of human rights are created under a three-year grant from the National Science Foundation. The resulting research is designed to help ...
Herschel views deep-space pearls on a cosmic string
Oct 02, 2009 |
4.7 / 5 (6) |
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(PhysOrg.com) -- Herschel has delivered spectacular vistas of cold gas clouds lying near the plane of the Milky Way, revealing intense, unexpected activity. The dark, cool region is dotted with stellar factories, ...
