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Prove that science is nearby. By the way, ekaterina beretskaya, hello, and do not miss the program. From a primitive semaphorebased device to a modern automated control system, lets traditionally start with the history of the issue of red yellow and green. Why the choice fell on these colors and the green wave at rush hour, they are the conductors of traffic flows. The first traffic light in history was installed over 150 years ago. But where and how he looked, i will tell you more directly. Now the first traffic light installed in london near the British Parliament building designed by john peak. Knight took as a basis the Railway Semaphore device, it turned out to be a primitive tower type with two semaphore arrows controlled manually. True, even then, with the onset of darkness, the apparatus was illuminated with the help of a gas lantern common for that era. By the way, it was his explosion that led to the fact that the tower was dismantled and not used for about fifty years at the

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