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

Liquid acoustics half way to the Earth’s core | RIKEN

Source from: JL Admin | 2016-01-25
  Now, in research published in Nature Communications, scientists from the Materials Dynamics Laboratory at the RIKEN SPring-8 Center, along with…
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Credit: © www.riken.jp/en/pr/press/2015/20151124_2/