There are plenty of radios you can buy that pick up MW and SW bands if that’s what you’re into. Or, you can follow [mircemk]’s example, and whip one up yourself instead. The build employs an ESP32 as ...
Abstract: This paper presents a novel unilateral single-pole multi-throw (SPMT) switch with co-integrated RF filtering functionality. It is based on spatiotemporally-modulated coupled resonator arrays ...
Scientists have engineered a nanoscale switch using DNA "origami." Inspired by macroscale mechanical switches, the device achieves long-term functionality without the continuous forcing mechanism that ...
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