Unheralded Innovations Of The Twentieth Century

Unheralded Innovations of the Twentieth CenturyAs Historians look back on the innovations that shaped and influenced our lives this century, television, radio and the automobile will get plenty of play. Those were big things. A few people's lives were affected. Likewise computers, X rays, the telephone--you can't imagine the past 100 years without them.But there's other stuff, too, less heralded inventions that have had, in their own quiet ways, surprisingly profound effects on our everyday live...