to control machines. headsets like this let you control devices just by concentrating on them so all you need to do is strap on some headgear and use the power of your mind. in principle, it is quite straightforward. the eeg sensors on this headset measure electrical signals in your brain, deciphering two mental states. your focus or calmness. once you reach a threshold for either, an action is triggered. all right, fan, switch on. hey! i switched on the fan. it is like technology telekinesis, isn't it? that is amazing. yes, of course, we get to a point where we can say like, turn the lights off or on. but to me that has never