The strange endurance of obsolescence
Why do some things keep on being used when an up-to-date replacement is clearly much better?
Tomorrow is a lot like today, but not always. Beware the law of unintended consequences.
You have many tasks, large and small, difficult and otherwise. For each one you have to choose a way to get it done. A problem arises when you find such a wonderful means that you forget the end.
Our astronomer and our navigator are away from headquarters at the moment, showing a Professor of Physics how to use his sextant. This style of instrument was the mainstay of nineteenth-century astronomy: made of brass and glass, with precise scales engraved on them for careful measurements. The people who used them had to work in a different way from current astronomers and must have had a different approach to life.