- The following is an archived discussion of the DYK nomination of the article below. Please do not modify this page. Subsequent comments should be made on the appropriate discussion page (such as this nomination's talk page, the article's talk page or Wikipedia talk:Did you know), unless there is consensus to re-open the discussion at this page. No further edits should be made to this page.
The result was: promoted by Theleekycauldron (talk) 19:17, 15 June 2022 (UTC)
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Schwarz lantern
- ... that a folded paper lantern shows that certain mathematical definitions of surface area are incorrect? Source: https://blogs.scientificamerican.com/roots-of-unity/counterexamples-in-origami/
- Reviewed: Template:Did you know nominations/Cyclotron and Template:Did you know nominations/Tuva Hansen (double QPQ for large backlog)
Improved to Good Article status by David Eppstein (talk). Self-nominated at 19:51, 14 June 2022 (UTC).
Substantial GA on fine sources, subscription sources accepted AGF, no copyvio obvious. The hook is attractive. Thank you for the extra review! --Gerda Arendt (talk) 12:55, 15 June 2022 (UTC)
