News tagged with tunnel barrier
Physicists Detect Single-Electron Tunneling with Quantum Dots
May 06, 2009 |
3.9 / 5 (17) |
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(PhysOrg.com) -- Detecting the coherent motion of a single electron is a challenge, for the simple reason of scale: the timescale of the coherent motion of a single-electron wave function is in the picosecond ...
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Citrus surprise: Vitamin C boosts the reprogramming of adult cells into stem cells
Dec 24, 2009 |
4.7 / 5 (27) |
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Famous for its antioxidant properties and role in tissue repair, vitamin C is touted as beneficial for illnesses ranging from the common cold to cancer and perhaps even for slowing the aging process. Now, ...
Genomic differences identified in common skin diseases
Dec 23, 2009 |
5 / 5 (2) |
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(PhysOrg.com) -- If you have dry skin, wet it, if wet skin, dry it. This has been a general rule of dermatology for centuries, but scientists are working to develop more precise treatments for the dozen-plus inflammatory ...
Understanding relationship of proteins, fatty acids could help treat diseases
Dec 22, 2009 |
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(PhysOrg.com) -- It's widely understood that eating a diet high in saturated fats increases the risk for a long list of chronic and deadly diseases, including diabetes and coronary heart disease. Understanding ...
Growing evidence suggests progesterone should be considered a treatment option for traumatic brain injuries
Dec 22, 2009 |
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Researchers at Emory University in Atlanta, GA, recommend that progesterone (PROG), a naturally occurring hormone found in both males and females that can protect damaged cells in the central and peripheral nervous systems, ...
Chemistry makes the natural 'wonder fabric' -- wool -- more wonderful
Nanotechnology / Nanomaterials
Dec 22, 2009 |
3 / 5 (1) |
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Scientists in China are reporting an advance that may improve the natural wonders of wool — already regarded as the "wonder fabric" for its lightness, softness, warmth even when wet, and other qualities. They ...
Meddling in mosquitoes' sex lives could help stop the spread of malaria, says study
Dec 22, 2009 |
4.5 / 5 (2) |
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(PhysOrg.com) -- Stopping male mosquitoes from sealing their sperm inside females with a 'mating plug' could prevent mosquitoes from reproducing, and offer a potential new way to combat malaria, say scientists ...
EPA, Army Corps urged to consider separating Great Lakes, river basin
Dec 21, 2009 |
5 / 5 (2) |
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The once-radical idea of somehow plugging the Chicago Sanitary and Ship Canal to stop the flow of unwanted species from spilling between the Great Lakes and Mississippi River basin is quickly picking up political support.
Wiggling and waggling: Study sheds light on amazing bee brain
Dec 21, 2009 |
4.4 / 5 (10) |
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(PhysOrg.com) -- Their brains are tiny - about the size of sesame seeds - and yet the behaviour of the humble honey bee is so advanced it has scientists scratching their heads in disbelief.
Google fined $14,300 a day in France over books
Dec 18, 2009 |
4 / 5 (1) |
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(AP) -- A Paris court ruled Friday that Google Inc.'s expansion into digital books breaks France's copyright laws, and a judge slapped the Internet search leader with a euro10,000-a-day fine until it stops ...
China Building 30-Mile Bridge Connecting Hong Kong to Guangdong Province
Dec 18, 2009 |
4.8 / 5 (11) |
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China Daily reports the commencement of the 30-mile Hong Kong-Zhuhai-Macao Bridge, the longest sea bridge under construction world-wide. The six-lane expressway will cut travel time from three-hours to around ...
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