Good article at http://www.nytimes.com/2011/11/18/business/energy-environment/direct-current-technology-gets-another-look.html?_r=2
Thursday, March 22, 2012
Direct Current Technology Gets Another Look
In the old argument between Edison and Tesla, direct current technology is getting another look...DC grids used to carry wind power, and some data centers using DC to reduce waste heat.
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