If you can blow £3,000 ($5,100) on a first-class ticket, youre probably reasonably contented at how your life turned out. British Airways wanted to be sure you were enjoying your time in the air, so paired an EEG headset with a fiber-optic cloth to create the Happiness Blanket. The attention-grabbing project senses your mental state and changes color depending on your mood — showing red for annoyance and blue for contentment.
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