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A comment on The ethics of brain boosting. Parent comment

Re:The ethics of brain boosting by ORLIN1 on Tuesday January 31, 2012 @07:56AM (#3533026)
i iknow tDCS about 4years and test it about 3 , but eraly test it vas only 9volt batery , potentiomether(I must regulate current manualy) and 2 electrode from watch cover
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