On 8 Nov 2016, at 14:18, Grimmund <xxxxxx@gmail.com> wrote:
>
> "US military scientists have used electrical brain stimulators to enhance mental skills of staff, in research that aims to boost the performance of air crews, drone operators and others in the armed forces’ most demanding roles."

Beware the monsters of the id.

Phil Kitching

All info vaguely remembered from Qi episodes and, if you're lucky, checked on Wikipedia.
I accept no liability for the consequences of its use in exams, job interviews or in the presence of anyone who knows, or thinks they know, anything about anything.