Create a focused speaker so your music targets only the listener. That demodulates at 40 kilohertz, with an H-bridge and ...

Innovative studies over the past few years have demonstrated significant progress in the fabrication and performance optimisation of high-temperature SAW devices. A notable development has been the ...

Acoustic waves are best known as the invisible delivery agents bringing voices, car horns, or our favorite song to our ears. But the waves can also move physical objects, like an item vibrating atop a ...