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Laser sensor busts drunk drivers from outside car

Most health and law enforcement agencies would agree that the effective early detection of drivers under the influence of alcohol would significantly reduce the number of fatal car accidents. To date, this has been only been possible by stopping individual vehicles and requiring the driver to breath into a device that measures the alcohol content of the driver’s breath.


Now, however, researchers at the Military University of Technology in Poland have shown that a relatively simple laser device can measure alcohol vapor levels in a moving vehicle.

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