"The Roaring 20s" (aka: the 1920's) was a time of unprecedented American innovation and prosperity.  An explosion of Model T's on the road; cool new inventions from television to sunglasses and, yes, sliced bread. But in fact, America had just emerged from not just World War 1 but its own pandemic, the Spanish Flu. Wars, terrible as they are, galvanize societies to jumpstart technologies. WW2 bought us radar, GPS tracking, even microwaved popcorn. A pandemic such as coronavirus is like a war, with health workers on the front lines - what unexpected discoveries may come?!