24 min listen
The Rise of the Traffic Light
ratings:
Length:
30 minutes
Released:
Aug 19, 2019
Format:
Podcast episode
Description
There are multiple contenders when it comes to the question of who invented the traffic light. This episode looks at a few of the moments in traffic light history that got us to where we are today, as well as what made them a necessity in the first place.
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Released:
Aug 19, 2019
Format:
Podcast episode
Titles in the series (100)
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