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Stories about: Archimedes' screw

Century-Old Power Plant Resurrected There are dozens of sites like this throughout England – small hydroelectric plants, some more than 100 years old, that have been abandoned for more than 5 or 6 decades. Authorities now seem to have found a new use for them, namely that they can still produce renewable electricity, even though they've been... 31 October 2008 04:08 GMT