World’s smallest, best acoustic amplifier emerges from 50-year-old hypothesis

IMAGE: Scientists Matt Eichenfield, left, and Lisa Hackett led the group at Sandia National Laboratories that produced the world’s smallest and best acoustic amplifier. view more  Credit: Bret Latter, Sandia... Read more »

Looking at optical Fano resonances under a new light

IMAGE: Conventional Fano-resonant metasurfaces can just show light with a particular frequency, a planar wavefront, and direct polarization; the freshly proposed metasurfaces can be customized to be reflective to light... Read more »

Russian and Korean scientists developed effective and cheap sound-absorbing nanofoam

IMAGE: This is the preliminary nanopowder of nanomagnetite (Fe 3 O 4) with a particular area of 70 m2/g. view more  Credit: FEFU press workplace The development product decreases... Read more »