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Red, yellow, green… and white? The new traffic signal color you need to know
Engineers are exploring a future white phase on U.S. traffic lights, showing how autonomous vehicles could coordinate ...
Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Fully self-driving cars, despite the claims of some companies, aren ...
Red and green traffic lights have been around since the 1800s, when British traffic officers used to rotate gas lamps that burned red and green to control the movement of mostly horse-drawn vehicles.
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