By the Numbers

Glancing at the time a little while ago, I was reminded of the many cool new things in the world when I was a kid in the early 70's, and how two of them intersected for us, children of an airline family: the ultra-modern wide-body Boeing planes and the amazing digital clock. Back then, the clocks didn't even have any kind of crystal display, they were literally just tiny mechanical shingles that dropped every minute, ten minutes, and hour, but it sure was exciting when that display read 7:47.