xkcd #3129: Archaeology Research
Title text:
The academic archaeology establishment is suppressing my breakthroughs because of the disruption it would bring to their prepared-core flake-based toolmaking industry.
Transcript:
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Source: https://xkcd.com/3129/
Repeating crossbows are abaolutely a thing though. There's examples from ancient China. That being said, they tend to suck because they're really low powered to make them easy to shoot rapid-fire