An anonymous reader writes: A small software startup called “GoFlow”, a company that is making a DIY opensource kit for tDCS. tDCS, in case you are wondering, stands for “transcranial Direct Current Stimulation".
Tennis players report it, expert video game players know it well. It is a state in which you are utterly focused on the task, one in which you learn faster and perform better. All with the flip of a switch.
GoFlow is attempting to build a $99.00 device that can be comfortably worn while doing whatever it is you do...