The mpkb.org link discusses rather small faraday cages like this: https://www.marshallprotocol.com/images/Building_a_DIY_Faraday-Cage.pdf https://www.marshallp

The mpkb.org link discusses rather small faraday cages like this: https://www.marshallprotocol.com/images/Building_a_DIY_Faraday-Cage.pdf https://www.marshallprotocol.com/images/Building_a_DIY_Farad... Look at the awesome picture on the very top left. That’s a tent made out of Mylar or a similar material. You can’t monitor the air quality inside with modern technology because that would pollute the interior EM environment, thereby defeating the purpose [0]. I like fresh air in my room, TYVM. [0] Of course you could use a fan outside to move some air through a mesh and sample it, and you should if you’re going to live in this thing, because IAQ is important.