Elecrow “All-in-One Starter Kit for ESP32-P4” is an open-source learning and prototyping platform based on the ESP32-P4 ...
Interesting Engineering on MSN
Ultra-thin nanowire films block over 99% of wireless signals without metal
A team of researchers now shown that a unique solution in the form of an ultra-thin, flexible, see-through film that can block almost all unwanted electromagnetic radiation.
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