News tagged with oxidation processes
'Metamaterials,' quantum dots show promise for new technologies
(Phys.org) -- Researchers are edging toward the creation of new optical technologies using "nanostructured metamaterials" capable of ultra-efficient transmission of light, with potential applications including ...
May 24, 2012 |
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New 'metamaterial' practical for optical advances
(Phys.org) -- Researchers have taken a step toward overcoming a key obstacle in commercializing "hyperbolic metamaterials," structures that could bring optical advances including ultrapowerful microscopes, computers and solar ...
May 15, 2012 |
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Scientists produce graphene using microorganisms
The Graphene Research Group at Toyohashi University of Technology (Japan) reports on the synthesis of graphene by reducing graphene oxide using microorganisms extracted from a local river.
Nanotechnology / Nanomaterials
Mar 22, 2012 |
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Cyborg snail produces electricity
(PhysOrg.com) -- First it was grapes, then cockroaches, and now snails have become the latest organism to generate electricity through an implanted biofuel cell. The process works similarly in all three situations: ...
Mar 15, 2012 |
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Lab study raises questions over nano-particle impact
Tests involving chickens have raised questions about the impact on health from engineered nano-particles, the ultra-fine grains commonly used in drugs and processed foods, scientists said on Sunday.
Nanotechnology / Bio & Medicine
Feb 12, 2012 |
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A new technique for understanding quantum effects in water
It covers over two thirds of our planet, is essential for life on Earth and its chemical formula is one of the few most people can name, but we still have much to learn about the structure of H2O. Now, scientists ...
Oct 03, 2011 |
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Engineers 'cook' promising new heat-harvesting nanomaterials in microwave oven
(PhysOrg.com) -- Waste heat is a byproduct of nearly all electrical devices and industrial processes, from driving a car to flying an aircraft or operating a power plant. Engineering researchers at Rensselaer ...
Nanotechnology / Nanomaterials
Sep 29, 2011 |
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Layered metallic hydroxide crystals traps carbon dioxide gas at elevated temperatures
'Scrubbing' carbon dioxide (CO2) from industrial exhaust gases is one of the critical steps needed to reduce CO2 emissions. It remains a major challenge for researchers, however, to find materials that can re ...
Mar 28, 2011 |
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Researchers discover less expensive low-temperature catalyst for hydrogen purification
(PhysOrg.com) -- Engineering researchers from Tufts University, the University of Wisconsin-Madison and Harvard University have demonstrated the low-temperature efficacy of an atomically dispersed platinum catalyst, which ...
Sep 23, 2010 |
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Designer optoelectronics - quantum mechanics for new materials
European researchers have combined computer modelling of quantum mechanics and precision fabrication processes to create novel transparent conductive oxides made to order for a wide range of scientific and ...
Nanotechnology / Nanomaterials
Aug 27, 2010 |
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Could urine be a source of renewable energy?
A research team at Heriot-Watt University, UK, is investigating whether urine could be used to create energy via new, low-cost fuel cells.
Technology / Energy & Green Tech
Aug 22, 2010 |
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Scientists grow 'sea urchin'-shaped structures
Swiss researchers have succeeded in growing sea-urchin shaped nanostructures from minute balls of polystyrene beads using a simple electrochemical process. The spines of the sea urchin consist of zinc oxide ...
Nanotechnology / Nanomaterials
Jul 29, 2010 |
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Jupiter's Moon Europa Has Enough Oxygen For Life
New research suggests that there is plenty of oxygen available in the subsurface ocean of Europa to support oxygen-based metabolic processes for life similar to that on Earth. In fact, there may be enough ...
Space & Earth / Earth Sciences
Oct 16, 2009 |
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New Sulfur- and Coking-Tolerant Material Could Expand Applications for Solid Oxide Fuel Cells
(PhysOrg.com) -- A new ceramic material described in this week's issue of the journal Science could help expand the applications for solid oxide fuel cells - devices that generate electricity directly from a ...
Oct 01, 2009 |
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SKoreans demonstrate spin-injected field effect transistor
South Korean scientists said Friday they had demonstrated a spin-injected field effect transistor in a high-mobility InAs heterostructure.
Sep 18, 2009 |
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