Researchers have developed a new technique for killing bacteria in seconds using highly porous gold nanodisks and light, according to a study published today in Optical Materials Express, a journal published by The Optical ...
Bio & Medicine
Mar 17, 2016
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In addition to appearing in nearly every consumer electronic device, liquid crystal displays have recently proliferated in automobiles too, in heads-up displays, instrument cluster displays, navigation systems and entertainment ...
Condensed Matter
Feb 9, 2016
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If you've ever experienced a bad sunburn, you know the damage that ultraviolet (UV) light can cause to living cells (like your skin). Out in space, where the level of radiation from the sun can be even higher, it can damage ...
Optics & Photonics
Jan 20, 2016
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Detecting HIV/AIDS, tuberculosis, malaria and other deadly infectious diseases as early as possible helps to prevent their rapid spread and allows for more effective treatments. But current detection methods are cost-prohibitive ...
Optics & Photonics
Mar 20, 2014
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To gauge whether suspects involved in accidents or routine traffic stops have been driving drunk, police officers pair field sobriety tests with breathalyzers, which signal the presence of alcohol in the breath. Most breathalyzers ...
Analytical Chemistry
Oct 8, 2013
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Butterfly wings can do remarkable things with light, and humans are still trying to learn from them. Physicists have now uncovered how subtle differences in the tiny crystals of butterfly wings create stunningly varied patterns ...
Plants & Animals
Jul 17, 2013
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Researchers in Japan used state-of-the-art micro-sculpting techniques on a new type of resin that can be molded into complex, highly conductive 3-D structures (in this case the famous "Stanford bunny") with features just ...
Optics & Photonics
May 29, 2013
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(Phys.org)—Silica microwires are the tiny and as-yet underutilized cousins of optical fibers. If precisely manufactured, however, these hair-like slivers of silica could enable applications and technology not currently ...
Optics & Photonics
Jan 23, 2013
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(Phys.org) -- Whether used in telescopes or optoelectronic communications, infrared detectors must be continuously cooled to avoid being overwhelmed by stray thermal radiation. Now, a team of researchers from Peking University, ...
Optics & Photonics
May 23, 2012
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Rare earth-doped active fibers are crucial in space-based applications, such as space laser communication, laser radar, and space waste disposal. However, the space radiation environment can lead to a sharp increase in the ...
Optics & Photonics
Jun 22, 2021
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