Virtually everything has come true except 'trodes, razor blade implants, and Rastafarians in space. Wait... https://en.wikipedia.org/wiki/Transcranial_direct-

Virtually everything has come true except 'trodes, razor blade implants, and Rastafarians in space. Wait... https://en.wikipedia.org/wiki/Transcranial_direct-current_stimulation https://en.wikipedia.org/wiki/Transcranial_direct-current_st... Okay, so razor blade implants and Rastafarians in space.