If you want to talk about magic, what do you think a Spitfire would look like to a Union soldier? How about radio? Electricity? Horseless carriages? Radar? The

If you want to talk about magic, what do you think a Spitfire would look like to a Union soldier? How about radio? Electricity? Horseless carriages? Radar? The innovations in that period were of kind, 0 to 1 transitions, while from 1945 onwards we have seen rapid, but mostly incremental improvements.