How does a traffic light detect cars?

Kategorie: Wissen und Wissenschaft
Kanal: BrainStuff
Datum: 25. Dezember 2015, 15:00
Stufe: B1-B2 (Mittelstufe)


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Traffic lights detect vehicles using a variety of methods. Check out this podcast from HowStuffWorks.com to find out how timers, inductive loops and other detectors keep traffic running smoothly. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers