Using data on electromagnetic (EM) waves and plasma particles measured simultaneously via multiple satellites, an international collaborative research group has discovered the existence of invisible ...
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 ...
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Sound Made To Travel In Just One Direction By Researchers
Sound spreads both forwards and backward in a space, meaning someone standing nearby can hear you as well as you can hear ...
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