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6 Current news about the topic optical sensors


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How to spawn an 'exceptional ring'


The Dirac cone started as a concept in particle and high-energy physics and has recently became important in research in condensed matter physics and material science. It has since been found to describe aspects of graphene, a two dimensional form of carbon, suggesting the possibility of ...


Switching superconductivity by light


A research team led by Prof. Hiroshi M. Yamamoto of the Institute for Molecular Science, National Institutes of Natural Sciences has developed a novel superconducting transistor which can be switched reversibly between ON and OFF by light-irradiation. This achievement is a milestone for future ...


Portable and precise gas sensor could monitor pollution and detect disease


In the air, it is a serious pollutant. In the body, it plays a role in heart rate, blood flow, nerve signals and immune function. Nitric oxide, a gas well known to scientists for its myriad functions, has proven challenging to measure accurately outside the laboratory. A team of Princeton and ...


'Edible optics' could make food safer

Tufts researchers design bio-friendly optical platform for sensing applications in medicine, health, environment, communications


Imagine an edible optical sensor that could be placed in produce bags to detect harmful levels of bacteria and consumed right along with the veggies. Or an implantable device that would monitor glucose in your blood for a year, then dissolve. Scientists at Tufts University's School of ...


Laser light produces complex nanostructures


Researchers at Chalmers University of Technology in Sweden have reported that a single laser pulse can create complex, ordered nanostructure systems. This previously unobserved phenomenon has just beeen described in an article in the scientific journal Nature Photonics. "We have discovered a ...


A quieter, safer world is taking shape thanks to developments in adaptronic materials


The thin, slightly bent metallic thread lding looks like a piece of ordinary florist's wire. But you only have to touch it to realize that this wire is made of a very special material. The metal feels soft and warm, like a blend between a fishing line and a copper wire. Kautz holds the thread ...


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