News tagged with chemical composition
Related topics: proceedings of the national academy of sciences , water
Where Did the Uranium Go?
(PhysOrg.com) -- Uranium's migration through the soil depends on groundwater's chemical composition, according to a recent study by Pacific Northwest National Laboratory. Scientists showed that uraniumattached ...
Oct 26, 2009 |
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Transforming nanowires into nano-tools using cation exchange reactions
A team of engineers from the University of Pennsylvania has transformed simple nanowires into reconfigurable materials and circuits, demonstrating a novel, self-assembling method for chemically creating nanoscale ...
Oct 23, 2009 |
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Breaking Down the Barrier for Smaller, Faster Electronic Devices
(PhysOrg.com) -- A team of international researchers is the first to uncover the chemical composition and structure of a microelectronics element that is vital to producing ever smaller - and, thus, cheaper ...
Oct 05, 2009 |
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Physicists create first atomic-scale map of quantum dots
(PhysOrg.com) -- University of Michigan physicists have created the first atomic-scale maps of quantum dots, a major step toward the goal of producing "designer dots" that can be tailored for specific applications.
Sep 29, 2009 |
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Toward making smart phone touch-screens more glare and smudge resistant
Scientists have discovered the secret to easing one of the great frustrations of the millions who use smart phones, portable media players and other devices with touch- screens: Reducing their tendency to ...
Aug 19, 2009 |
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Researchers make carbon nanotubes without metal catalyst
(PhysOrg.com) -- Carbon nanotubes — tiny, rolled-up tubes of graphite — promise to add speed to electronic circuits and strength to materials like carbon composites, used in airplanes and racecars. A major problem, however, ...
Nanotechnology / Nanomaterials
Aug 10, 2009 |
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Researchers find key to keeping cells in shape
(PhysOrg.com) -- Yale University researchers have discovered how a protein within most cell membranes helps maintain normal cell size, a breakthrough in basic biology that has implications for a variety of ...
Aug 06, 2009 |
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New map hints at Venus's wet, volcanic past (w/ Video)
(PhysOrg.com) -- Venus Express has charted the first map of Venus's southern hemisphere at infrared wavelengths. The new map hints that our neighbouring world may once have been more Earth-like, with both, ...
Space & Earth / Space Exploration
Jul 14, 2009 |
4.1 / 5 (9) |
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Sulfate lens enhances climate warming properties of atmospheric soot
Particulate pollution thought to be holding climate change in check by reflecting sunlight instead enhances warming when combined with airborne soot, a new study has found.
Space & Earth / Earth Sciences
Jun 29, 2009 |
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Scientists use high-pressure 'alchemy' to create nonexpanding metals
By squeezing a typical metal alloy at pressures hundreds of thousands of times greater than normal atmospheric pressure, scientists at the California Institute of Technology (Caltech) have created a material that does not ...
Jun 15, 2009 |
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Handheld laser microscope to help diagnose skin cancer without a biopsy
A recent Montana State University master's graduate is working with doctors at Vanderbilt Medical Center in Tennessee to build a handheld laser microscope that could someday reduce the number of biopsies needed to diagnose ...
Mar 30, 2009 |
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Asteroid Impact Helps Trace Meteorite Origins
(PhysOrg.com) -- The car-sized asteroid that exploded above the Nubian Desert last October was small compared to the dinosaur-killing, civilization-ending objects that still orbit the sun. But that didn't ...
Space & Earth / Space Exploration
Mar 25, 2009 |
4.6 / 5 (7) |
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Evil-doers everywhere: Get a whiff of this
The food you eat, the drugs you take, your state of mind, and your gender -- all these make your sweat unique. Tel Aviv University chemists may turn this fact into a new crime-fighting tool that would make ...
Feb 18, 2009 |
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