“Windshield wipers have been put to a more high-tech use by University of Michigan (U-M) researchers. An Ann Arbor test fleet 70 vehicles strong, tracked exactly when their wipers were in use with embedded sensors, and coordinated the results with a dashboard camera to record rainfall.
“They found that tracking windshield wiper activity can provide faster, more accurate rainfall data than the radar and rain gauge systems we currently have in place,” according to the U-M…”
https://www.ecnmag.com/news/2019/01/preventing-flash-floods-sensor-filled-windshield-wipers
