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alexanderrogge ยท 6 months ago
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Al Jazeera - A brief history of the traffic light and why we need a new colour:
TrafficSignal #TrafficLight #TrafficSafety #Throughput #Efficiency #ParliamentSquare #London #WilliamPott #Detroit #GasLight #GarrettMorgan #ElectricLight #SemaphoreSignalling #Semaphore #History #TransportationEngineering #Engineering #Transportation
#trafficsignal#trafficlight#trafficsafety#throughput#efficiency#parliamentsquare#london#williampott#detroit#gaslight#garrettmorgan#electriclight#semaphoresignalling#semaphore#history#transportationengineering#engineering#transportation
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