It’s a question I’m sure was keeping you up at night: can you make an object spin with a sound wave? The answer, generally speaking, used to be no. Now, though, mechanical engineers have taken a look ...

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 ...

Noise—small thermal or quantum fluctuations of particles that generate electric or magnetic signals—is generally thought of as undesirable interference, obscuring the true signals scientists are ...

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 ...

Spin noise spectroscopy is an optical technique which can probe spin resonances non-perturbatively. First applied to atomic vapours, it revealed detailed information about nuclear magnetism and the ...