GPS-enabled cars to measure rainfall

BERLIN: German scientists have successfully tested new GPS-equipped moving cars that could be used to measure rainfall.
Drivers on a rainy day regulate the speed of their windshield wipers according to rain intensity: faster in heavy rain and slower in light rain.
This simple observation has inspired researchers from the University of Hanover in Germany to come up with ‘RainCars’, an initiative that aims to use GPS-equipped moving cars as devices to measure rainfall.

TU-Automotive
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