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EEG headware probes your neurons, shows interrogators your cranial contact list

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You might pride yourself on your poker face, but there would be no way to hide from a skull-probing EEG helmet being developed by Veritas Scientific. The device takes advantage of a well-known medical response called P300, which causes your brain's voltage to drop a split-second after you put a name to a face or object. Simply by showing you a slideshow of different images, interrogators could tell whether or not you recognize a particular individual -- or maybe that LTE-connected railgun hidden in your trunk. The company is pursuing military contracts and hopes to have a prototype ready in time for this year's war game exercises, but meanwhile you might want to start thinking of a way to install that tinfoil hat inside your skull.

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