Our catch phrase 'Old Technology,New Science' has taken on a meaning ...

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 Researchers report that wood-biochar supercapacitors can produce as much power as today's activated-carbon supercapacitors at a fraction of the cost – and with environmentally friendly byproducts. 
Read more at: http://phys.org/news/2013-10-team-forest-cheaper-greener-supercapacitors.html#jCp     

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