Solution to Feynman's reverse sprinkler puzzle also applies to "silly sprinklers"

Ars Technica•Mon, Jul 13, 2026, 07:00 PM•2 min read

New study confirms 2024 "momentum flux theory" on how angular momentum of water flows drives rotation.

Source: [Ars Technica](https://arstechnica.com/science/2026/07/solution-to-feynmans-reverse-sprinkler-puzzle-also-applies-to-silly-sprinklers/)

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