Imagine life without mobile phones, Wi-Fi, GPS, Bluetooth devices, or microwave ovens. That’s the way it is in the little town of Green Bank, West Virginia, known as “the quietest town in America.” It’s also the location of the Green Bank Observatory, the world’s largest steerable radio telescope. The telescope needs “quiet” to “listen” to naturally occurring radio waves emitted by the movement of pulsars and galaxies in deep space. It has a surface area larger than a football field and stands in the center of the National Radio Quiet Zone, a 13,000-square-mile area established to prevent electronic interference to…