Technology moved fast from 1940 to 1955; in that period were developed nuclear power and weapons, supersonic aircraft, guided ballistic missiles, digital comput

Technology moved fast from 1940 to 1955; in that period were developed nuclear power and weapons, supersonic aircraft, guided ballistic missiles, digital computers, the magnetron ( and microwave ovens! ) and lots of other things outside my domain of knowledge. Can you imagine trying to adapt to that? You need to adopt the same survival mechanism today: focus on one aspect, retain an awareness of the other changes but don't go down every rabbit hole.