News tagged with surface potential
Scientists demonstrate potential of graphene films as next-generation transistors
Jul 31, 2008 |
4.5 / 5 (21) |
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Physicists at the University of Pennsylvania have characterized an aspect of graphene film behavior by measuring the way it conducts electricity on a substrate. This milestone advances the potential application of graphene, ...
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Lasers put a shine on metals
Nov 03, 2009 |
4.8 / 5 (8) |
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(PhysOrg.com) -- Polishing metal surfaces is a demanding but monotonous task, and it is difficult to find qualified young specialists. Polishing machines do not represent an adequate alternative because they ...
Scientists Show Strontium's Swimming Skills
Oct 27, 2009 |
3.7 / 5 (3) |
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(PhysOrg.com) -- Recently, a trio from Pacific Northwest National Laboratory and Louisiana Tech University showed that strontium ions congregate on water's surface. Their computer simulation and careful calculations ...
Hot microbes cause groundwater cleanup rethink
Sep 11, 2009 |
4.8 / 5 (4) |
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(PhysOrg.com) -- CSIRO researchers have discovered that micro-organisms that help break down contaminants under the soil can actually get too hot for their own good.
Form of Mercury in Older Dental Fillings Unlikely to be Toxic: Study
Chemistry / Analytical Chemistry
Nov 11, 2009 |
4 / 5 (3) |
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(PhysOrg.com) -- Amid the on-going controversy over the safety of mercury-containing dental fillings, a University of Saskatchewan research team has shed new light on how the chemical forms of mercury at the surface of fillings ...
Alberta's hidden valleys offer both resources and danger
Space & Earth / Earth Sciences
Nov 12, 2009 |
5 / 5 (2) |
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Alberta is crisscrossed with hidden glacial valleys that hold both resource treasures and potential danger. University of Alberta researcher Doug Schmitt discovered a 300 metre deep, valley hidden beneath the surface of the ...
When Nano May Not Be Nano
Nanotechnology / Bio & Medicine
Sep 13, 2009 |
3.3 / 5 (8) |
3
(PhysOrg.com) -- The same properties of nanoparticles that make them so appealing to manufacturers may also have negative effects on the environment and human health. However, little is known which particles ...
A New Glance on Microscopic Images
Sep 16, 2009 |
4.5 / 5 (2) |
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A doctoral student at the research center Forschungszentrum Dresden-Rossendorf (Germany) suggests interpreting the images generated by Kelvin probe force microscopy in a new way. She recently published her ...
Paper battery may power electronics in clothing and packaging material
Nanotechnology / Nanomaterials
Sep 23, 2009 |
5 / 5 (6) |
0
Imagine a gift wrapped in paper you really do treasure and want to carefully fold and save. That's because the wrapping paper lights up with words like "Happy Birthday" or "Happy Holidays," thanks to a built ...
Spying on Corn Rootworm Predators Nightlife
Oct 31, 2009 |
not rated yet |
0
(PhysOrg.com) -- Agricultural Research Service (ARS) entomologist Jonathan G. Lundgren, while exploring corn fields at night, has found a very different group of predators than the ones that feed during the ...
Nanoparticles used in common household items caused genetic damage in mice
Nanotechnology / Bio & Medicine
Nov 16, 2009 |
4.8 / 5 (24) |
11
Titanium dioxide (TiO2) nanoparticles, found in everything from cosmetics to sunscreen to paint to vitamins, caused systemic genetic damage in mice, according to a comprehensive study conducted by researchers at UCLA's Jonsson ...
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