The Makings Of The Modern World

Simple inventions like eyeglasses, clocks and air conditioning are taken for granted on a daily basis. And yet it’s hard to imagine life without them. This hour, we’ll explore the unlikely origins of these necessities with Steven Johnson, author of How We Got to Now: Six Innovations That Made the Modern World. A companion television series airs on KERA Wednesdays at 9 p.m.