News tagged with high frequency
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Search results for high frequency
Scientists Build First 'Frequency Comb' To Display Visible 'Teeth'
Oct 29, 2009 |
4.9 / 5 (15) |
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(PhysOrg.com) -- Finally, an optical frequency comb that visibly lives up to its name. Scientists at the University of Konstanz in Germany and the National Institute of Standards and Technology in the U.S. ...
Yoga boosts heart health
Nov 09, 2009 |
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Heart rate variability, a sign of a healthy heart, has been shown to be higher in yoga practitioners than in non-practitioners, according to research to be published in a forthcoming issue of the International Journal of ...
Examining genetic variations among the Huichol population of Mexico
Oct 26, 2009 |
4 / 5 (1) |
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Mexican researchers examined the polymorphisms of three enzymes -- alcohol dehydrogenase (ADH1B), aldehyde dehydrogenase (ALDH2) and cytochrome P4502E1 (CYP2E1) -- in the Mestizo and Huichol groups.The Huichols, an indigenous ...
'Fingerprinting' RFID Tags: Researchers Develop Anti-Counterfeiting Technology
Nov 19, 2009 |
3.5 / 5 (2) |
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(PhysOrg.com) -- Engineering researchers at the University of Arkansas have developed a unique and robust method to prevent cloning of passive radio frequency identification tags. The technology, based on one or more unique ...
Study: depression can lead to inflated reports of physical symptoms
Medicine & Health / Psychology & Psychiatry
Oct 28, 2009 |
5 / 5 (1) |
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New research shows people who feel depressed tend to recall having more physical symptoms than they actually experienced. The study indicates that depression -- not neuroticism -- is the cause of such over-reporting.
Scientists first to trap light and sound vibrations together in nanocrystal
Oct 26, 2009 |
4.7 / 5 (18) |
9
(PhysOrg.com) -- Researchers at the California Institute of Technology have created a nanoscale crystal device that, for the first time, allows scientists to confine both light and sound vibrations in the ...
Mother's depression a risk factor in childhood asthma symptoms, study suggests
Medicine & Health / Psychology & Psychiatry
Nov 19, 2009 |
5 / 5 (1) |
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Maternal depression can worsen asthma symptoms in their children, according to research from Johns Hopkins Children's Center published online in the Journal of Pediatric Psychology.
Highlight: Damping of acoustic vibrations in gold nanoparticles
Nov 19, 2009 |
4 / 5 (2) |
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Vibrations in nanostructures offer applications in molecular-scale biological sensing and ultrasensitive mass detection. To approach single-atom sensing, it is necessary to reduce the dimensions of the structures ...
Noise Evidence Could Expand Hurricane Record
Space & Earth / Earth Sciences
Nov 10, 2009 |
5 / 5 (3) |
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As sea-surface temperatures rise across the globe, some scientists believe that hurricane frequency and intensity may increase. A fresh technique offers promise to generate new data from long-dead storms, ...
Teen sexual activity and gambling associated with taking nonprescribed medications to get high
Nov 18, 2009 |
2 / 5 (1) |
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(PhysOrg.com) -- Taking nonprescribed medication has become an emerging problem, especially among teens. When using these substances to get high, students are more likely to engage in bad behaviors than those who don't, a ...
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