Template:Did you know nominations/Tennis ball theorem


 * 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 Cwmhiraeth (talk) 05:36, 13 June 2018 (UTC)

Tennis ball theorem

 * ... that the tennis ball theorem, on the behavior of smooth curves that bisect the surface area of a sphere, takes its name from the seam of a tennis ball, which forms a curve of this type? Source:
 * Reviewed: Walter Kenrick Fisher

Created by David Eppstein (talk). Self-nominated at 18:35, 29 May 2018 (UTC).


 * Symbol question.svg The article is long and new enough. It's a well written and well sourced article without copyvios. The hook is interesting and technically long enough, however a shorter hook would be much more appealing. QPQ is done. So the only issue is to have another shorter hook. Regards. -- M h hossein   talk 15:06, 2 June 2018 (UTC)
 * ALT1 ... that the tennis ball theorem concerns curves that, like the seam of a tennis ball, cut a sphere into two equal areas?
 * —David Eppstein (talk) 15:48, 2 June 2018 (UTC)
 * Symbol confirmed.svg Well done. Good to go with that. -- M h hossein   talk 19:08, 2 June 2018 (UTC)