Your comment reminds me of the excellent series "Connections" by James Burke. The opening episode in the series asks that exact question. https://www.youtube.c

Your comment reminds me of the excellent series "Connections" by James Burke. The opening episode in the series asks that exact question. https://www.youtube.com/watch?v=XetplHcM7aQ&list=PLf02uWXhaGRng_YzH-Ser_VEV4lGSLX_1 https://www.youtube.com/watch?v=XetplHcM7aQ&list=PLf02uWXhaG...