'Feynman and followers, you guys are off': Physicists disprove decades-old Richard Feynman theory on 'silly' sprinklers
Capella Published 27 July 2026 In News When you purchase through links on our site, we may earn an affiliate commission. Can math tell you how to order the optimal lunch? Can a human track scents like a bloodhound can by smelling his own footprints?
- ▪Capella Published 27 July 2026 In News When you purchase through links on our site, we may earn an affiliate commission.
- ▪Can math tell you how to order the optimal lunch?
- ▪Can a human track scents like a bloodhound can by smelling his own footprints?
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Record
| Original publisher | Live Science |
| Canonical URL | https://www.livescience.com/physics-mathematics/feynman-and-followers-you-guys-are-off-physicists-disprove-decades-old-richard-feynman-theory-on-silly-sprinklers |
| Publication time | Mon, 27 Jul 2026 12:00:00 +0000 |
| Retrieval time | 2026-07-27T12:01:16.351Z |
| Last seen | 2026-07-27T12:01:24.635Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | TUNBw0aw6q7r · 1 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
Physics & Mathematics 'Feynman and followers, you guys are off': Physicists disprove decades-old Richard Feynman theory on 'silly' sprinklers Scientists have pinned down why a sprinkler spins when it sucks in water instead of spraying it out — a problem that stumped Richard Feynman and has divided physicists for nearly a century. By Larissa G. Capella Published 27 July 2026 In News When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This photo captures the flows coming into the reverse sprinkler, as visualized using particles and false colors.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Live Science.
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