For E79, anyone can buy a headset that reads the electrical activity of their brain. It's called an electroencephalogram, and people can use it to control devices with the power of their mind. But there's a drawback: they don't work when the wearer is moving and they look silly, so no one wants to wear them. The solution could be a kind of EEG system that does away with the cumbersome electrodes, annoying gels and wires of its predecessors, replacing them with a flexible electronic skin that conforms to the body. It promises to let people monitor their brains discreetly 24 hours a day, and can be worn continuously for two weeks, staying put whether they're swimming, running or sleeping.
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