solarwind a =E9crit : > On Thu, Oct 1, 2009 at 11:34 AM, Artem Zezyulinskiy > wrote: > = >> We have produced a headphones that apply 25-Hz magnetical field on the >> human head. The effect is to calm the patient. >> This is used in psycological clinics. >> = > > Wow, how does this work? > = http://en.wikipedia.org/wiki/Transcranial_magnetic_stimulation PS : think about electrical power lines in your home - it's the same = thing :) I know people that isolate all electrical cables by aluminum foil. Artem -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist