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#pewpew

# pewpew - Wednesday 10 December, 2014

Dutch trains are trying out lasers to blast rail debris away

Placed just in front of the wheels, the lasers are able to remove leaves and other debris from the tracks while the train is moving.

# pewpew - Wednesday 11 June, 2014

Scientists create laser device that can detect drunk drivers

By shining a laser through a car from the side of the road, researchers can measure blood alcohol levels inside moving vehicles.