Seventy years ago, Elvis was shaking up the airwaves, Lucille Ball had Americans laughing in their living rooms, and Presidents Harry Truman and Dwight D. Eisenhower were charting very different visions for a postwar United States. The space race was just beginning to heat up and prosperity fueled a culture of optimism for many. It was a decade of technological innovation and imagination, with a flood of brand-new gadgets, fashions, and conveniences promising to make everyday life sleeker, fa...