How is cotton, which comes as short strands of fibre from the plant, made into a continuous thread?
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ELI5: Have you ever put your headphones in your pocket and had a hard time untangling them? What happens if you just grab both ends and pull? That’s basically what happens but with many more strings that are much smaller and tangled a little more intentionally.
ELIPHD: [Tangle mathematics](https://en.wikipedia.org/wiki/Tangle_(mathematics))
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