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Spiral Ring Reveals Ancient Complex Machines

  Link Details for: Spiral Ring Reveals Ancient Complex Machines
Link Title: Spiral Ring Reveals Ancient Complex Machines Open in a new window
Link URL: http://www.newscientist.com/article.ns?id=dn5103
Link Details: From New Scientist, distinctive spiral patterns carved into a small jade ring show that China was using complex machines more than 2500 years ago.
Category: Top : Science : Social_Sciences : Archaeology : Regional : Asia : China
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Spiral Ring Reveals Ancient Complex Machines