The first windshield wipers were operated manually by moving a lever inside thecarback and forth. Today, most of us take our electric windshield wipers for granted. The wipers faithfully keep thewindowclear, moving back and forth across the windshield countless times as they sweep the water away. On their highest speed, they move impressively fast, sometimes shaking the car from side to side. What kind of a mechanism can move the wiper arms so effectively and so reliably?
Windshield wipers are found on car windshields, some car headlights,airplanesand even on thespace shuttle. In this article, we'll take a look inside windshield wipers, learn about the blades and the controls and then explore a new rain-sensing wiper control system!
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