When night falls, street lamps illuminate the city, which not only facilitates the travel of pedestrians and vehicles, but also adds colorful colors to the night of the city.
Human attempts to artificially illuminate city streets at night began in the early 15th century. In 1417, in order to brighten London's dark winter nights, the Mayor of London, Henry Barton, issued an order requiring lamps to be hung outdoors. Later, his initiative was followed by the French. At the beginning of the 16th century, lighting fixtures had to be installed outside the windows of Parisian houses facing the street. During the time of Louis XIV, many street lamps appeared on the streets of Paris. In 1667, Louis XIV, known as the "Sun King", also officially issued the decree on the lighting of urban roads. Legend has it that it was because of the promulgation of this decree that the reign of Louis XIV was called the "Age of Light" in French history.
The original street lights were relatively weak, because ordinary candles and oil were used in the street lights. After switching to kerosene, the brightness of street lamps has been significantly improved, and the real revolution of street lamps came after the appearance of gas lamps. But initially, its inventor, the British William Murdoch, was ridiculed. Walter Scott once wrote to a friend that a lunatic was going to use a "smoky" street light to illuminate the night in London. Although Murdoch's street lights have caused a lot of controversy, the advantages of such street lights cannot be ignored. In 1807, this new type of street lamp was installed on the street of Pall Mall, and it quickly swept the capitals of European countries.
The history of human use of electric lighting is closely linked to the names of two inventors, the Russian Alexander Lodkin and the American Thomas Edison. In 1873 Alexander Lodkin received the Lomonosov Prize from the Petersburg Academy of Sciences for the design of the incandescent light bulb. Soon, this light bulb was used in the lighting of the Admiralty Building in Petersburg. A few years later, Thomas Edison improved the bulb, making it brighter and cheaper to produce. With the emergence of a large number of such bulbs, gas lamps quickly withdrew from road lighting, and electric lamps replaced them, becoming an important tool for outdoor lighting in cities at night.
Now some cities have solar street lights again. Solar street lights use sunlight as energy to charge during the day and automatically illuminate at night, which is safe, energy-saving and pollution-free.
In our age of rapid technology, street lights have become very popular. The production of street lights is becoming more and more complex, and the functions are becoming more and more refined, such as road lights, garden lights, high pole lights, stadium lights, landscape lights, lawn lights and so on. Street lights not only provide a safe and orderly environment for residents to travel at night, but also make the city "beautiful".
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