Absorbing acoustics with soundless spirals: Researchers have designed a super-thin acoustic metasurface for perfect sound absorption — ScienceDaily

Source from: JL Admin | 2016-08-25
  Acoustic absorption systems work by absorbing sound energy at a resonant frequency and dissipating it into heat. Traditional acoustic…
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Credit: © www.sciencedaily.com/releases/2016/02/160209140757.htm