Search results for field effect transistor:
Scientists develop DNA origami nanoscale breadboards for carbon nanotube circuits
Nanotechnology / Nanomaterials
Nov 10, 2009 |
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In work that someday may lead to the development of novel types of nanoscale electronic devices, an interdisciplinary team of researchers at the California Institute of Technology has combined DNA's talent ...
New 'finFETs' promising for smaller transistors, more powerful chips
Nov 10, 2009 |
4.9 / 5 (14) |
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(PhysOrg.com) -- Purdue University researchers are making progress in developing a new type of transistor that uses a finlike structure instead of the conventional flat design, possibly enabling engineers ...
Additive copper-zinc interaction affects toxic response in soybean
Nov 10, 2009 |
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Agricultural soils accumulate trace metals, particularly copper and zinc, as a result of their presence in wastes (sewage biosolids and manures) and fungicides that are applied over long periods of time. Regulations and guidelines ...
New study confirms exotic electric properties of graphene
Nanotechnology / Nanomaterials
Nov 17, 2009 |
4.8 / 5 (23) |
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(PhysOrg.com) -- First, it was the soccer-ball-shaped molecules dubbed buckyballs. Then it was the cylindrically shaped nanotubes. Now, the hottest new material in physics and nanotechnology is graphene: ...
The importance of grandmothers in the lives of their grandchildren
Oct 29, 2009 |
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(PhysOrg.com) -- It is widely believed that women live long post-reproductive lives to help care for their grandchildren. According to the "Grandmother Hypothesis," post-menopausal women can increase their ...
Spin polarization achieved in room temperature silicon
Nov 27, 2009 |
4.9 / 5 (18) |
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(PhysOrg.com) -- A group in The Netherlands has achieved a first: injection of spin-polarized electrons in silicon at room temperature. This has previously been observed only at extremely low temperatures, ...
Aquatic creatures mix ocean water
Nov 22, 2009 |
5 / 5 (4) |
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Understanding mixing in the ocean is of fundamental importance to modeling climate change or predicting the effects of an El Niño on our weather. Modern ocean models primarily incorporate the effects of winds and tides. However, ...
Pinning Down Superconductivity to a Single Layer
Oct 29, 2009 |
4.9 / 5 (16) |
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(PhysOrg.com) -- Using precision techniques for making superconducting thin films layer-by-layer, physicists at the U.S. Department of Energy's Brookhaven National Laboratory have identified a single layer ...
A lightning strike in Africa helps take the pulse of the sun
Space & Earth / Space Exploration
Nov 11, 2009 |
4.5 / 5 (11) |
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Sunspots, which rotate around the sun's surface, tell us a great deal about our own planet. Scientists rely on them, for instance, to measure the sun's rotation or to prepare long-range forecasts of the Earth's ...
Close-up movie shows hidden details in the birth of super-suns (w/ Video)
Nov 16, 2009 |
4.8 / 5 (10) |
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(PhysOrg.com) -- The constellation of Orion is a hotbed of massive star formation, most prominently in the Great Nebula that sits in Orion's sword. The glowing gas of the Nebula is powered by a group of young ...
Breeding better broccoli
Nov 04, 2009 |
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Carotenoids—fat-soluble plant compounds found in some vegetables—are essential to the human diet and reportedly offer important health benefits to consumers. Plant carotenoids are the most important source of vitamin A in ...
Discovery of a Retrograde or Highly Tilted Extrasolar Planet
Nov 18, 2009 |
4.8 / 5 (6) |
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Astronomers have found that the extrasolar planet HAT-P-7b has a retrograde or highly tilted orbit. Studying such planets is important in understanding the diversity of planetary systems and assessing current ...
New Test May Predict Heart Disease Events and the Effect of Weight Loss on Insulin Resistance
Nov 17, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- Chemical fingerprints produced by the body's normal metabolic processes predict who will suffer cardiovascular events and who will benefit from weight loss by reduction of insulin resistance, according two ...
Deep creep means milder, more frequent earthquakes along Southern California's San Jacinto fault
Space & Earth / Earth Sciences
Nov 08, 2009 |
3.8 / 5 (6) |
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With an average of four mini-earthquakes per day, Southern California's San Jacinto fault constantly adjusts to make it a less likely candidate for a major earthquake than its quiet neighbor to the east, the ...
New Method to Measure Snow, Soil Moisture With GPS May Benefit Meteorologists, Farmers
Space & Earth / Earth Sciences
Nov 20, 2009 |
not rated yet |
1
(PhysOrg.com) -- A research team led by the University of Colorado at Boulder has found a clever way to use traditional GPS satellite signals to measure snow depth as well as soil and vegetation moisture, a technique expected ...
