An array of miniature turntables could offer a powerful new way to control the flow of sound. The proposed device, reported in the March 20 Physical Review Letters, would channel sound waves in a ...

Microwave spectroscopy of magnons, phonons and magnon-polarons as a function of magnetic field (x-axis) and frequency (y-axis). Data has been recorded with a vector network analyser. The horizontal ...

Acoustic frequency filters help smartphones separate signals for mobile networks, Wi-Fi, and GPS. Researchers at RPTU Kaiserslautern-Landau now say they have demonstrated a new physical effect that ...

There are two fantastic papers in Physical Review Letters this week that made me smile. Both of them are about controlling macroscopic objects using waves. While there are practical applications for ...