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Dielectric film has refractive index close to air

Researchers from North Carolina State University have developed a dielectric film that has optical and electrical properties similar to air, but is strong enough to be incorporated into electronic and photonic devices - making ...

dateOct 12, 2015 in Nanomaterials
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Absorbing acoustics with soundless spirals

Researchers at the French National Centre for Scientific Research, CNRS, and the University of Lorraine have recently developed a design for a coiled-up acoustic metasurface which can achieve total acoustic absorption in ...

dateFeb 09, 2016 in General Physics
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