
An electronic “tattoo” that can track when your brain is working too hard – or not hard enough- has been developed by researchers.
The wearable tech is a non-permanent wireless forehead e-tattoo that can decode brainwaves and measure mental strain.

An electronic “tattoo” that can track when your brain is working too hard – or not hard enough- has been developed by researchers.
The wearable tech is a non-permanent wireless forehead e-tattoo that can decode brainwaves and measure mental strain.