Blocking radio waves and electromagnetic interference with the flip of a switch
https://phys.org/news/2023-01-blocking-radio-electromagnetic-flip.html "thin film device, fabricated by spray coating... 2D MXene materials, when combined with electrolyte solution, can be turned into potent active shield against electromagnetic waves... prevents emitting electromagnetic waves as well as being penetrated by other electronics' emitted... could adjust performance of electronic devices, strengthen wireless connections and secure mobile communications against intrusion... can be tuned when small voltage (less than alkaline battery) applied" Related: New shield blocks electromagnetic interference while allowing wireless optical signals https://phys.org/news/2023-01-shield-blocks-electromagnetic-wireless-optical.html Electrospun nanomaterial offers great protection against electromagnetic interference https://phys.org/news/2023-01-electrospun-nanomaterial-great-electromagnetic.html New receiver chip blocks signal interference that slows mobile device performanc...