Everyone knows that hydroelectricity can only be obtained via the use of hard-to-build and expensive water dams, which create a lot of nuisance around them, in that people need to be evacuated from their basins, and the threat of them breaking always hangs over the heads of those living downstream. However, now, near... |
23 December 2008 07:55 GMT |
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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 |
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The energy of moving water has been exploited for centuries. In Imperial Rome, water powered mills produced flour from grain, and in China and the rest of the Far East, hydraulically operated "pot wheel" pumps raised water into irrigation canals. In the 1830s, at the peak of the canal-building era, hydropower was use... |
4 April 2007 10:07 GMT |
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