The Klipsch Reference R-51M combines throwback looks and thoroughly modern sound in an affordable package.

The scientists sent pulses of light around the edges of these 2D materials using a ultrafast transmission electron microscope (UTEM), which produced within it hybrid sound-light waves.

A new ultrasound technique that measures the strength of atomic bonds within two-dimensional (2D) materials, as well as the weaker forces between layers, has shown that the velocity of sound within ...