The transistor is the ultimate on-off switch. When a voltage is applied to the surface of a semiconductor, current flows; when the voltage is reversed, current is blocked. Researchers have tried for decades to replicate these ...
Condensed Matter
Feb 8, 2013
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(Phys.org)—Our oldest national park may hold answers to questions about the activities of microbial communities that, in turn, may help in developing bioenergy technologies or safely storing carbon dioxide. Detailed analyses ...
Cell & Microbiology
Nov 21, 2012
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Scientists at the Naval Research Laboratory (NRL) in conjunction with the Scripps Research Institute in La Jolla, Ca., recently reported a detailed study of the interactions of water soluble semi-conductor quantum dots (QDs) ...
Bio & Medicine
Oct 15, 2010
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(PhysOrg.com) -- Hydrogen is a promising alternative energy carrier that can be efficiently converted into electrical energy in fuel cells. One hurdle to the introduction of sustainable hydrogen technology is the fact that ...
Materials Science
Dec 2, 2009
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(PhysOrg.com) -- Toxic uranium is often found in soil and groundwater in places where uranium was either mined or enriched to make nuclear fuel and weapons. Uranium contamination, which is a threat to wildlife and water supplies ...
Environment
Mar 26, 2009
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With the rapid development of industrialization, water pollution is becoming more and more serious. The traditional water treatment method can't effectively remove organic pollutants, so advanced oxidation technology has ...
Nanomaterials
Oct 26, 2023
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Ammonia is crucial for the manufacture of nitrogen fertilizers. Due to the high energy consumption of industrial ammonia production, the development of alternative materials and approaches for efficient N2 reduction to ammonia ...
Analytical Chemistry
Sep 5, 2022
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33
The emergence of multicellularity, requiring complex interactions between different groups of individual cells for metabolic and physiological benefits, is a great success in the history of biology. While multicellularity ...
Cell & Microbiology
Jul 19, 2022
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6
Oxygen vacancy (Ov) significantly influences the oxidation process through oxygen adsorption and activation. Element doping can fabricate oxygen vacancy on titanium dioxide (TiO2), but the effects of the dopants on the oxidation ...
Materials Science
Jun 15, 2022
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10
As sunlight filters through a forest canopy, chlorophyll is hard at work capturing the energy of photons. Inspired by nature, researchers at NTNU are working on light-capturing dyes for solar cells to generate electricity.
Materials Science
Mar 24, 2021
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