[off topic?]
I read a story about TOS. A company was building automatic doors. Someone wrote to the production asking how they got their doors to work so flawlessly.
Two Union workers was not the answer the company was hoping for.
Amazing how much technology since the 60s has just been trying to make star trek props real
I like in old science fiction when the ‘future’ tech is behind what we have. ‘The Moon Is A Harsh Mistress’ has a sentient computer struggling to invent CGI.
Starman Jones is the most extreme example of that I know of. They have slipstick boys to do their FTL math and the MC’s special ability is that he memorized all the log tables and so he can do the math faster.
Know your history!
They worked smoothly but never silently, once you know to look for the breaks in dialogue for the door audio to be easily removed you never stop noticing it