Take a look at this very slick video describing the maintenance of space megastructures, and the need for space janitors.
(Megastructure Maintenance & Space Janitors)
Science fiction writers had a variety of takes on this idea. Consider the repair robots from The Invincible (1954) by Stanislaw Lem and the repair drones from Neuromancer (1984) by William Gibson. You might enjoy this article Antenna Repairmen In Fact And Fiction as well.
And who can resist the MSE-6 repair droid from Star Wars!
Scroll down for more stories in the same category. (Story submitted 8/27/2019)
Technovelgy (that's tech-novel-gee!)
is devoted to the creative science inventions and ideas of sf authors. Look for
the Invention Category that interests
you, the Glossary, the Invention
Timeline, or see what's New.
A System To Defeat AI Face Recognition
'...points and patches of light... sliding all over their faces in a programmed manner that had been designed to foil facial recognition systems.'