Physicists at Hong Kong University of Science and Technology have experimentally demonstrated a system capable of perfect sound absorption. Acoustic waves go in, nothing comes back out. At all. As ...
Concert hall acoustics was the theme of a fascinating panel debate last night at the Royal Opera House (ROH) in London. Among the speakers was British soprano and presenter Lesley Garrett who shared ...
Membrane-based acoustic resonators of subwavelength dimensions achieve nearly perfect acoustic absorption. Complete sound attenuation by dissipation usually requires thick absorbing materials, with ...