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Laser-made ‘Blast Badge’ Detects Explosion Intensity

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PHILADELPHIA, Dec. 13, 2010 — Mimicking the reflective iridescence of a butterfly's wing, investigators at the University of Pennsylvania School of Medicine and School of Engineering and Applied Sciences have developed a color-changing patch that could be worn on soldiers' helmets and uniforms to indicate the strength of exposure to blasts from explosives in the field. Future studies aim to calibrate the color change to the intensity of exposure to provide an immediate read on the potential harm to the brain and the subsequent need for medical intervention. The findings are described in the online issue of NeuroImage. ...Read full article

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    Published: December 2010
    Glossary
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    AfghanistanAir Force Office of Scientific ResearchAmericasBiophotonicsblast badgeblast shockwaveBlast-induced traumatic brain injurybrain injurycolor-changing crystalscolor-changing patchD. Kacy CullendefenseDouglas H. Smithexplosion intensityholographic lithographyindustrialIraqlaser-sculptednanonanoscale structuresneurosurgeryOffice of Naval ResearchPennsylvaniaPhiladelphia Institute of Nanotechnologypost-traumatic stress syndromereflective iridescenceResearch & TechnologySensors & DetectorsShu Yangsignature woundsoldiers helmetsTest & Measurementthree-dimensional photonic structurestraumatic brain injuryLasers

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