For most people, Virginia and West Virginia's National Radio Quiet Zone is a place to generally avoid: within its 13,000 square mile territory, Wi-Fi, cell service, and most other broadcast technology is banned to minimize interference with nearby radio telescopes and Navy radio receivers. But for a small group of people who believe they are hurt by radio frequencies, it's one of the only places they can live a normal life. At Slate, Joseph Stromberg takes a look at the lives of people suffering from what they call electromagnetic hypersensitivity, a condition that's thought to be psychogenic but gives sufferers headaches, chest pains, or irregular heartbeats in the presence of electronics.