Dunno if anyone has heard of this - attach it to your noggin and by the power of electricity it either makes you calm or euphoric depending on the setting. Allegedly.
http://www.independent.co.uk/life-s...nging-wearable-that-zaps-brains-10292052.html
http://www.independent.co.uk/life-s...nging-wearable-that-zaps-brains-10292052.html
