Tim Hallam is just tall enough to seem gangly. His height makes the bedroom feel even smaller than it is. Muddy sunlight filters through the grey gauze hung over his window. His narrow bed appears to be covered with a glistening silver mosquito net. The door and the ceiling are lined with tinfoil. Tim tells me there is also a layer of foil beneath the wallpaper and under the wood-effect flooring. He says, "The room is completely insulated; the edges are sealed with aluminium tape and connected with conducting tape so I could ground the whole room. It's a Faraday cage, effectively. Grounding helps with the low frequencies radiation, apparently. The high frequencies just bounce off the outside."
Tim is trying to escape atmospheric manmade radiation caused by Wi-Fi, phone signals, radio, even TV screens and fluorescent bulbs. It's a hopeless task, he admits: "It's so hard to get away from, and it's taken a toll on my life." I offer to put my phone outside the room and he happily accepts, firmly closing the door. He explains the phone would have kept searching for a signal. "And because it wouldn't find one, it would keep ramping up." With the tinfoil inside his cage, the signal would hurtle around the room like a panicked bird.