When I first read this:
Using EEG, the researchers translated the greetings “hola” and “ciao” into binary, and then emailed the results from India to France. At this receiving location, a CBI transmitted the message to the receivers’ brains through noninvasive brain stimulation. This was experienced as phosphenes — flashes of light in their peripheral vision.
The First Successful Demonstration Of Brain-To-Brain Communication In Humans
I thought, wait a minute, magnets aimed at my brain can produce a feeling of lights in my peripheral vision?