You don’t have to buy into 5G conspiracy theories to think that you could do with a little less radiation in your life. One way of blocking radiation is a Faraday cage, but this is usually a metal mesh of some kind, making everyday use difficult. Researchers at Drexel University have managed to create a Faraday fabric by infusing ordinary cotton with a compound called MXene — meaning your tinfoil hat is about to get a lot comfier.
Faraday cages work because radiation in radio frequencies is blocked by certain metals, but because of its wavelength, the metal doesn’t …
