Abstract
Thermoacoustic Metasurfaces In article number 2202026, Ying Cheng, Xiaojun Liu, Johan Christensen, and co-workers report an orbital-angular-momentum multiplexing technology based on space-time thermoacoustic metasurfaces for enhanced communication densities. In analogy to the Chinese story “Monkey King Prays for Rain”, multifaceted weather signals, i.e, lightning, thunder and rain, etc., are synchronously transmitted through multipath orbital-angular-momentum beams.
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