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Old 04-28-2016, 05:59 PM
DrCube DrCube is offline
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Join Date: Oct 2005
Location: Caseyville, IL
Posts: 6,634
The electric power grid is basically a single huge, world-spanning machine. (Even if we only count synchronous interconnections as a single "machine", one of them is the size of Europe.) I don't know what you would say it "cost", but I expect it would probably take top honors if we could find out.