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This Simple Scientific Principle Created The Most Ubiquitous Sound In Cars
The History and Science Behind the Blinker
Ever wondered which sound is present in literally every car you have ever driven? Which distinctive sound has been almost the same since the time that cars became common?
Hint: Click Click Click Click
Yes, the Turn Signal sound!
The turn signal or blinker as it is known in the United States has been in cars almost since cars became common. It is known by various names throughout the world — the indicator in India, Britain, and Australia; Blinklicht or Fahrtrichtungsanzeiger in German (I live here and have still never used the latter).
Ever wondered what creates this distinctive sound and why is present nearly on every car? The device that created this clicking sound and the blinking lights is called the Flasher. It has worked on the same basic scientific principle for the majority of its history in the automotive industry!
Before we see how it works, let us look back at some interesting historical fun facts about the turn signal.
History of the Turn Signal
Early on in automotive history, people used the classic turn signals — hand gestures. On…
