Wave as you go by: The term "second sound" refers to the movement of heat through a superfluid. (Courtesy: Jose-Luis Olivares, MIT) A new technique for monitoring “second sound” – a bizarre type of ...

A new study proves low-frequency infrasound hijacks inner ear support cells to create unique physical hum sensations.

There are two sound velocities in a Bose-Einstein condensate. In addition to the normal sound propagation there is second sound, which is a quantum phenomenon. Scientists in Ludwig Mathey's group from ...