Talk:Magdeburg hemispheres
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From other sources I get the impression that von Guericke set up his demonstrations with hemispheres large enough so that the horses could not pull them apart. Detailed information seems hard to find, however. More research required.
—Herbee 00:32, 12 Feb 2005 (UTC)
[edit] intellectual property nonsense
The phrase "Magdeburg hemispheres" has been trademarked by Kimball Physics Inc. See http://www.kimphys.com/mcf_vacuum_fittings/Catalog_PDFs/Magdebg_Hemisphere.pdf I hope this doesn't affect the article's status in any way, but I'm still a bit new and I figured I'd note the fact. --Yannick 17:10, 18 Jun 2005 (UTC)
Uh, well I think this is a misunderstanding on their part of the idea of a trademark. No risk here, surely. Theoh 01:44, 12 January 2007 (UTC)
[edit] Unnecessary?
Article: "unnecessary use of two opposing teams of horses"
Only unnecessary if you have an object so immovable that 15 horses can't budge it. I think it'd be easier to find another 15 horses. :-)
Of course, if you could find something strong enough to anchor one side to, it would make the experiment easier, as you wouldn't have the problem of balancing forces: I wonder how they kept the stronger team from pulling the weaker team away (as in tug-of-war). --Slashme 11:59, 6 December 2005 (UTC)
[edit] size
according to the German wikipedia the size of the spheres was about 50cm - that would make them close to two feet. Not really important, but still... --Lamme Goedzak 16:26, 29 June 2007 (UTC)
