In the last few years, the electromagnetic spectrum has quietly become a critical part of contemporary life. It enables you to communicate with mobile phones, use remote controls, tune in TV stations, pop corn in the microwave, open your car door without a key, listen to radio stations, and surf the Internet when you’re sipping coffee at Starbucks. |
For decades, American professionals have been struggling with a trade-off. To advance their careers, they typically work in big cities, where corporations are headquartered and jobs are plentiful. However, to enjoy a high quality of life, they live in the suburbs, where the houses are large, the yards are big, and the neighbors are friendly. |