I shared this one on stream a little while back, but if you think about it:
Screws come from a machine that makes screws.
The machine that makes screws probably has screws in it.
If you go far enough back, you get to handmade tooling! Like there’s an unbroken lineage of tool usage stretching backwards in time and it always blows my mind that we’re able to get more precise tools out of less precise tools.
The way surface plates were made so we could have more precise machinery feels like humans exploiting a glitch in the universe: