Physicists explain the mesmerizing movements of raindrops on car windshields

Competing forces of wind and gravity push some droplets up while pulling others down

raindrops on a car window

Some raindrops on the windshield of a speeding car slide up, some slide down and some seem stuck in place. Physics explains why.

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Staring at raindrops on a car windshield is more than just a way to get in touch with your emo side.