ideonexus writes: "New Scientist author Sally Adee has a fascinating blogpost up about her personal experiences with using Transcranial Direct-Current Stimulation (tDCS), the act of conducting an electric current through the brain, to learn marksmanship with an assault rifle for an article she wrote, and talks about how much she longed to put the electrodes back on a few days later after the effects had worn off. With tDCS devices now available for sale with a prescription and DIYers posting instructions for building your own (see also here), are geeks on the precipice of a revolutionary and potentially addictive new brain hack?"
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