It looks like an ordinary baseball cap. But when you put it on, the cap detects and analyzes the electroencephalogram (EEG) signals from your brain. It can even tell you if you’re getting too sleepy when driving based on your brain wave patterns. Similar technology could also allow you to control ... Read more
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This, but you just need the sensors in a bandana and it goes on the cloud to calculate what you are seeing and thinking.
looks like this isn’t too far in the future. This hat is half way there it seems.https://phys.org/news/2008-05-baseball-cap-mind.html