A Dutch-led international team of astronomers has made the first two-dimensional inventory of ice in a planet-forming disk of dust and gas surrounding a young star. They used the James Webb Space Telescope and have published ...
Astronomy
Dec 6, 2023
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178
(Phys.org) —Inspired by the way plants grow toward light sources, a phenomenon known as phototropism, bioengineers from the University of California, Berkeley have created a hydrogel that could be manipulated by light.
Nanomaterials
May 29, 2013
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0
A research team of Energy Science and Engineering at DGIST has developed a titanium dioxide (TiO2)-based, high-efficiency photocatalyst that converts carbon dioxide to methane using a simple reduction method.
Materials Science
Dec 4, 2017
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5
Sunlight reflected by solar cells is lost as unused energy. The wings of the butterfly Pachliopta aristolochiae are drilled by nanostructures (nanoholes) that help absorbing light over a wide spectrum far better than smooth ...
Nanophysics
Nov 14, 2017
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150
Electronic properties of materials can be directly influenced via light absorption in under a femtosecond (10-15 seconds), which is regarded as the limit of the maximum achievable speed of electronic circuits. In contrast, ...
General Physics
Jun 26, 2019
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0
Preventing the recombination of free charges produced when light strikes a solar cell is one of the main goal of engineers attempting to extract the maximum energy conversion efficiency from their devices. One way to achieve ...
Nanomaterials
Aug 19, 2011
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0
Natural and manmade physical structures all lose energy, and scientists work hard to eliminate that loss or compensate for it. Optical and photonic devices lose energy through light scattering, radiation or material absorption. ...
Optics & Photonics
Sep 10, 2021
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208
Scientists at Radboud University have managed to do what had never been tried before: accurately describe how colliding oxygen molecules absorb light. Our atmosphere consists of approximately 20 percent oxygen molecules, ...
Materials Science
Apr 10, 2018
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42
Gravity affects the ecology and evolution of every living organism. In plants, the general response to gravity is well known: their roots respond positively, growing down, into the soil, and their stems respond negatively, ...
Biotechnology
Feb 4, 2013
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0
Researchers from Ulsan National Institute of Science and Technology (UNIST) have demonstrated high-performance polymer solar cells (PSCs) with power conversion efficiency (PCE) of 8.92% which is the highest values reported ...
Nanomaterials
May 7, 2013
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0
