Surface acoustic wave (SAW) filters already fill our mobile devices, but a new breakthrough finds a way to make them smaller, potentially leading to even more compact devices.

Tiny, artificial earthquake-like waves generated by lasers may be the key to smaller, faster, and more efficient computer ...

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In the ETH experiment, self-oscillations (blue-red) cause sound waves (green, orange, violet) to travel through the circulator only in one direction. Credit: Xin Zou Researchers at ETH Zurich have ...