Researchers make sound waves travel in one direction only, with implications for electromagnetic wave technology
Researchers at ETH Zurich have managed to make sound waves travel only in one direction. In the future, this method could ...
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ToneTag’s Sound Wave-Based Digital Payments Tech Is Making All The Right Noises
In fact, this new technology, which uses sound waves to enable digital payments, is slowly taking over the QR Code and NFC. Moreover, the technology works offline and supports both smartphones and ...