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| From | Phil Carmody <pc+usenet@asdf.org> |
|---|---|
| Newsgroups | rec.puzzles |
| Subject | Re: Four more "oldies" |
| Date | 2026-08-27 22:45 +0300 |
| Organization | A noiseless patient Spider |
| Message-ID | <877blb4aba.fsf@asdf.ee> (permalink) |
| References | <1787507044-4353@newsgrouper.org> <116h3r5$ogjh$1@artemis.inf.ed.ac.uk> |
richard@cogsci.ed.ac.uk (Richard Tobin) writes: > In article <1787507044-4353@newsgrouper.org>, > James Dow Allen <user4353@newsgrouper.org.invalid> wrote: > >>(1) How much of the Earth's surface is North of latitude 30°N, i.e. the >>thirtieth parallel north. Assume Earth's surface is a perfect sphere. > > This may help (indirectly): > > https://upload.wikimedia.org/wikipedia/commons/a/a6/Cicero_Discovering_the_Tomb_of_Archimedes_by_Benjamin_West.jpeg As expected from 3b1b, this is wonderful: /But why is a sphere's surface area four times its shadow?/ 3Blue1Brown Shared 7 years ago https://youtu.be/watch?v=GNcFjFmqEc8 Phil -- We are no longer hunters and nomads. No longer awed and frightened, as we have gained some understanding of the world in which we live. As such, we can cast aside childish remnants from the dawn of our civilization. -- NotSanguine on SoylentNews, after Eugen Weber in /The Western Tradition/
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Four more "oldies" James Dow Allen <user4353@newsgrouper.org.invalid> - 2026-08-23 17:44 +0000
Re: Four more "oldies" David Entwistle <qnivq.ragjvfgyr@ogvagrearg.pbz> - 2026-08-24 07:40 +0000
Re: Four more "oldies" David Entwistle <qnivq.ragjvfgyr@ogvagrearg.pbz> - 2026-08-25 07:27 +0000
Re: Four more "oldies" ram@zedat.fu-berlin.de (Stefan Ram) - 2026-08-25 12:33 +0000
Re: Four more "oldies" richard@cogsci.ed.ac.uk (Richard Tobin) - 2026-08-24 09:45 +0000
Re: Four more "oldies" James Dow Allen <user4353@newsgrouper.org.invalid> - 2026-08-24 10:33 +0000
Re: Four more "oldies" Phil Carmody <pc+usenet@asdf.org> - 2026-08-27 22:45 +0300
Re: Four more "oldies" Mike Terry <news.dead.person.stones@darjeeling.plus.com> - 2026-08-24 16:25 +0100
Re: Four more "oldies" James Dow Allen <user4353@newsgrouper.org.invalid> - 2026-08-24 17:04 +0000
Re: Four more "oldies" Mike Terry <news.dead.person.stones@darjeeling.plus.com> - 2026-08-25 00:41 +0100
Re: Four more "oldies" Mike Terry <news.dead.person.stones@darjeeling.plus.com> - 2026-08-25 01:08 +0100
Re: Four more "oldies" James Dow Allen <user4353@newsgrouper.org.invalid> - 2026-08-26 07:08 +0000
Re: Four more "oldies" Mike Terry <news.dead.person.stones@darjeeling.plus.com> - 2026-08-26 23:18 +0100
Re: Four more "oldies" Mike Terry <news.dead.person.stones@darjeeling.plus.com> - 2026-08-27 00:48 +0100
Re: Four more "oldies" James Dow Allen <user4353@newsgrouper.org.invalid> - 2026-08-27 10:42 +0000
Re: Four more "oldies" Mike Terry <news.dead.person.stones@darjeeling.plus.com> - 2026-08-28 04:55 +0100
Re: Four more "oldies" Charlie Roberts <croberts@gmail.com> - 2026-08-24 13:27 -0400
Re: Four more "oldies" James Dow Allen <user4353@newsgrouper.org.invalid> - 2026-08-29 00:04 +0000
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