The Hidden Genius and Influence of the Traffic Light
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It is hard to think of a technology so widely adopted, so ubiquitous, so influential, and so well designed. Traffic lights are used by billions daily. Here's how they came to be, and where they are going.
It is hard to think of a technology so widely adopted, so ubiquitous, so influential, and so well designed. Traffic lights are used by billions daily. Here's how they came to be, and where they are going.
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