News tagged with deposition
GaAs self-assembled nanowires could make chips smaller and faster
(PhysOrg.com) -- Researchers at the University of Illinois have found a new way to make transistors smaller and faster. The technique uses self-assembled, self-aligned, and defect-free nanowire channels made ...
Apr 20, 2009 |
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Surgical gel used to stop bleeding could confuse mammograms
Dr. Kathleen Ward noticed something odd when she examined the mammogram of a patient who had recently undergone breast cancer surgery.
Apr 14, 2009 |
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Technology opens promise, perils of ocean mining
(AP) -- There's gold in that thar sea floor. Silver, copper, zinc and lead, too. The problem is, it's a mile or two underwater and encased in massive mineral deposits that layer a dark, mysterious world.
Space & Earth / Earth Sciences
Apr 01, 2009 |
3 / 5 (2) |
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Light-activated antibacterial coating is new weapon in fight against hospital-acquired infections
A new hard coating with antibacterial properties that has been tested by researchers at the UCL Eastman Dental Institute has been shown to kill 99.9% of Escherichia coli bacteria when a white hospital light was shone on its ...
Mar 31, 2009 |
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Dust deposited in oceans may carry elements toxic to marine algae
(PhysOrg.com) -- Dust blown off the continents and deposited in the open ocean is an important source of nutrients for marine phytoplankton, the tiny algae that are the foundation of the ocean food web. But ...
Space & Earth / Earth Sciences
Mar 09, 2009 |
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'Voltage Patterning' could be next step in nanostructure lithography
(PhysOrg.com) -- "What you want these days is to have precise control of nanostructures. Using masks and optical techniques, it is possible to control how nanostructures grow for use in practical applications," David Field ...
Mar 02, 2009 |
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Satellites show the way to new oil finds
A new map of the Earth’s gravitational force based on satellite measurements makes it much less resource intensive to find new oil deposits. The map will be particularly useful as the ice melts in the oil-rich ...
Space & Earth / Earth Sciences
Feb 27, 2009 |
4.3 / 5 (3) |
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Stalagmites in Northeast Brazilian Caves Confirm 9,000-Year Model of Diminishing Rainfall
(PhysOrg.com) -- Until recently, researchers studying climate history in Brazil’s dry Nordeste region expected it to have wet and dry periods similar to the rest of South America. But over the past 9,000 years, ...
Space & Earth / Earth Sciences
Feb 25, 2009 |
4.8 / 5 (4) |
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Self-aligning carbon nanotubes could be key to next generation of devices
(PhysOrg.com) -- Scientists and engineers the world over have thought for years that the next generation of smaller, more-efficient electronic and photonic devices could be based on the use of carbon nanotubes, ...
Nanotechnology / Nanomaterials
Feb 25, 2009 |
4.4 / 5 (8) |
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Newly described contaminant sources in Katrina-flooded homes pose health risks
New Rochelle, NY, February 2, 2009—Post-Katrina flooded homes may contain harmful levels of contaminants in addition to sediment deposits. Indoor gases, mold films, and aerosols may also have exposed residents, first responders, ...
Feb 02, 2009 |
4 / 5 (2) |
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A crystal clear view of chalk formation
(PhysOrg.com) -- It has a beautiful, but also an unpleasant side: crystallization determines the shape of precious stones, but also causes the lime scale in washing machines. How this comes about, has been ...
Jan 23, 2009 |
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Invasive plants challenge scientists in face of environmental change
Managing invasive plant species on the Great Plains has become more challenging in recent years in the face of human-caused environmental change, including the positive responses of invaders to altered atmospheric chemistry ...
Jan 13, 2009 |
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Organic soils continue to acidify despite reduction in acidic deposition
Following the Clean Air Act Amendments of 1970 and 1990 acidic deposition in North America has declined significantly since its peak in 1973. Consequently, research has shifted from studying the effects of acidic deposition ...
Jan 12, 2009 |
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Flawed deposit insurance programs need reform, banking expert says
Government insurance programs that safeguard bank deposits should be reformed to ease taxpayers' undue stake in propping up the nation's banking system, according to research by a University of Illinois finance professor.
Jan 05, 2009 |
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