Comment Comment by megadata Not amateurs, but a NASA contractor managed to mess up Hubble's mirror back in the day.Involves chipped paint and household washers.https://hackaday.com/2020/04/29/test-equipment-shim-washers-...Simon Winchester also covers it in great detail in his book Exactly: How Precision Engineers Created the Modern WorldIf you're interested in precision making and how it all came to be it's a very joyful read. parent megadata 1 year ago
Involves chipped paint and household washers.
https://hackaday.com/2020/04/29/test-equipment-shim-washers-...
Simon Winchester also covers it in great detail in his book Exactly: How Precision Engineers Created the Modern World
If you're interested in precision making and how it all came to be it's a very joyful read.