Rao and Stocco were placed in different buildings and hooked up to two devices to record, interpret and send their brain signals via the internet. The sender (Rao) wore an EEG machine while the receiver (Stocco) was connected to a transcranial magnetic stimulation coil. The experiment was performed with a simple arcade-style video game, the objective of which was to shoot baddies out of the sky. Rao watched the screen and visualized lifting his hand to press the space bar to fire, but Stocco was the trigger man. Clear across campus, Stocco's finger tapped the space bar at the appropriate time, eliminating the target, despite being unable to hear or see the game's display.
source: http://www.geekwire.com/2013/researcher ... -computer/