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Edition #85 · Wednesday, July 15, 2026 · 2821 positive stories
Science & Breakthroughs

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

Ars Technica Science Mon, 13 Ju
Solution to Feynman's reverse sprinkler puzzle also applies to "silly sprinklers"

Watering your lawn in the summer can be both pragmatic and fun with so-called "silly sprinklers," designed to create amusing loops and spirals of water jets. And there's some fascinating physics at work to boot. Researchers at New York University's Courant Institute conducted a series of experiments with different silly sprinkler designs to find the answer to a longstanding problem in fluid dynamics, according to a new paper published in the Proceedings of the National Academy of Sciences. As pr

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About Science & Breakthroughs coverage

The science section covers breakthroughs in medicine, physics, biology, and technology. We surface discoveries that expand what humanity can do, from new treatments reaching clinical trials to engineering feats that seemed impossible a decade ago. Every link goes to the original publisher so you can read the full study or press release yourself.

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