http://www.metafilter.com/tags/planetarium Posts tagged with 'planetarium' at MetaFilter. Tue, 28 Aug 2007 00:03:46 -0800 Tue, 28 Aug 2007 00:03:46 -0800 en-us http://blogs.law.harvard.edu/tech/rss 60 http://www.metafilter.com/64210/Astronomic%2Drepresentation <a href="http://www.horomundi.com/forum/showthread.php?t=2415">The Richard Mille Planetarium-Tellurium</a> - 10 years in the making and looking absolutely fabulous. tag:metafilter.com,2007:site.64210 Tue, 28 Aug 2007 00:03:46 -0800 clockwork horology planetarium sideral sidereal tellurium tellurian http://www.metafilter.com/25254/Planetarium <a href="http://www.beholder.co.uk/planetarium/">Planetarium.</a> A puzzle-story in 12 weekly installments. tag:metafilter.com,2003:site.25254 Mon, 21 Apr 2003 02:18:34 -0800 planetarium puzzle story plep http://www.metafilter.com/20428/ Cicero, writing in the first century BC, mentions an instrument “recently constructed by our friend Poseidonius, which at each revolution reproduces the same motions of the sun, the moon and the five planets.” Archimedes is also said to have made a small planetarium, and two such devices were said to have been rescued from Syracuse when it fell in 212BC. <a href="http://www.economist.com/displaystory.cfm?story_id=1337165">This reconstruction suggests such references can now be taken literally.</a> tag:metafilter.com,2002:site.20428 Mon, 30 Sep 2002 16:43:33 -0800 archimedes cicero history planetarium poseidonius grumblebee