concertina226 (2447056) writes Scientists at China's Southwest University in Chongqing are working on a new type of camera that takes Big Brother to a whole new level – the camera is meant to detect highly stressed individuals so that police can catch them before they commit a crime. The camera makes use of hyperspectral imaging, i.e. a 'stress sensor' that measures the amount of oxygen in blood across visible areas of the body, such as the face. Chinese authorities are deeply concerned about the recent spate of deadly attacks occurring in public places, such as the mass stabbing attack by eight knife-wielding extremists in the city of Kunming, Yunnan in March, which left 29 civilians dead and over 140 others injured.
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