News tagged with negative refraction
Perfect image without metamaterials... and a reprieve for silicon chips (w/ Video)
Sep 29, 2009 |
2.9 / 5 (17) |
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(PhysOrg.com) -- Since 2000, John Pendry's work on metamaterials has been at the van guard of efforts to create a perfect image - images with perfect resolution that can stem from light being moved in odd ...
Invisibility cloak now within sight: scientists (Update 2)
Aug 11, 2008 |
4.5 / 5 (88) |
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(PhysOrg.com) -- Scientists at the University of California, Berkeley, have for the first time engineered 3-D materials that can reverse the natural direction of visible and near-infrared light, a development ...
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Broken genomes behind breast cancers
Dec 23, 2009 |
4 / 5 (2) |
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The first detailed search of breast cancer genomes to uncover genomic rearrangements is published today. The team characterised the ways in which the human genome is broken and put back together in 24 cases of breast cancer.
Psychologists show that future-minded people make better decisions for their health
Medicine & Health / Psychology & Psychiatry
Dec 23, 2009 |
4 / 5 (3) |
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When New Year's Eve rolls around and you're deciding whether to have another glass of champagne, your decision may be predicted by your perspective of the future.
Researcher finds success with new anti-cancer drug
Dec 22, 2009 |
5 / 5 (4) |
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A study conducted at Scott & White Healthcare in Temple, Texas, found that a new drug stopped the growth of breast tumors in mice. This drug is unique in that it works both by stopping the cancer cells from growing and metastasizing ...
Adjusting acidity with impunity
Chemistry / Analytical Chemistry
Dec 22, 2009 |
4.5 / 5 (2) |
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(PhysOrg.com) -- How do individual cells or proteins react to changing pH levels? Researchers at the MESA+ Institute for Nanotechnology at the University of Twente, The Netherlands, have developed a technique ...
Accelerators and Light Sources of Tomorrow (Part 2: Accelerating with Light)
Dec 22, 2009 |
4.9 / 5 (8) |
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Accelerators are far from achieving the highest energies their builders aspire to, but size and cost may limit the kinds of facilities funding agencies can support. In the future, new kinds of machines will ...
New insight in nerve cell communication
Medicine & Health / Neuroscience
Dec 22, 2009 |
4 / 5 (1) |
0
Communication between nerve cells is vital for our bodies to function. Part of this communication happens through vesicles containing signalling molecules called neurotransmitters. The vesicle fuses with the ...
Role of addiction cannot be ignored in obesity epidemic
Dec 22, 2009 |
not rated yet |
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The causes of obesity are complex and individual, but it is clear that chronic overeating plays a fundamental role. But when this behaviour becomes compulsive and out of control, it is often classified as "food addiction" ...
Fungal footage fosters foresight into plant, animal disease (w/ Video)
Dec 22, 2009 |
4.5 / 5 (4) |
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Mold and mildew may be doomed. Researchers are closer to understanding how these and other fungi grow. "Fungi have a big impact on our dinner plate," said Dr. Brian Shaw, Texas AgriLife Research plant pathologist. "We tend ...
Financial instruments could be spiked with unfindable risks
Dec 21, 2009 |
4.7 / 5 (19) |
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(PhysOrg.com) -- In a result that may have implications for financial regulation, researchers from computer science and economics have revealed potentially impenetrable problems with the pricing of financial ...
Ski Runs Are Not Created Equal
Dec 21, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- Building a new ski run by bulldozing a mountainside rather than only cutting its shrubs and trees is far more damaging ecologically, yet might offer only a week's earlier start to the downhill season, says ...
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