In the Rivne region 5 August - International Day light (+ photos)
From around the world celebrate International Day light. He turns 101 years. The moment of celebration of the International Day of lights chosen according to historical data, which show that in 1914 the world saw the first prototype of the modern regulatory devices,Swarm. It happened in the United States, Cleveland. The inventors became engineer James Hod. A distinctive feature of these lights was the presence of lights in two colors: green and red, and the publication of sound at the time of switching light. Of course, James Pace traffic light was not the first of its kind, as mentioned above, as was the poperednyka modern control unit. By American engineer Lester has created a similar apparatus Vaira, also a US citizen. His version artificial guards also worked from the mains, had two light signals - in accordance green and red colors, but, but without sound. This device was American decorate streets fromNAC project has not received, unfortunately, patent. Well, as regulate traffic on the roads to the emergence of electric devices? For this purpose, traffic lights, invented in the XIX century, namely in 1868, engineer John Peak Knight. It was not like any first electric regulating apparatus, nor even to modern. Exterior lights XIX-th centuryolittya very much like a semaphore that performs a similar function to the railways. He was typical of manual control, and presented a set of traffic lights semaphore two arrows: horizontal spoke about the need to stop, located at 45? - The possibility of moving. Night view differed in that amended arrowinyuvalysya gas lamps red (stop) and green (moving) colors. But back to the electric lights. After the invention of James Pace seemed nothing will not be able to surprise pedestrians. But in 1920 there were tricolor devices that regulate traffic on the roads - again in America, this time in Detroit and New Yorment. The inventors were two scientists - William Pott and John F.Harrys. In Europe, the first traffic lights were installed on the streets of the French in 1922, and then in all other states. In the UK this innovation adorned avenues just 7 years ago. In Ukraine, the first traffic light was installed in Kharkov in 1936. In ourthe first country they number nearly four and a half thousand. In particular, the Rivne Region 71 lights, and in Rivne - 53. It was reported the press service of STI of MIA of Ukraine in Rivne regionSource: http://artlife.rv.ua/