Electric light sources are devices that convert electrical energy into visible light. These sources have revolutionized the way humans interact with their environment, making it possible to extend productive hours beyond daylight. The development of electric lighting has not only driven the advancement of electrical technology but also significantly improved quality of life. Modern electric light sources offer high efficiency, reliable performance, and easy control, allowing users to adjust brightness and color temperature according to their needs. Additionally, they enable accurate measurement of energy consumption through meters, promoting energy-saving practices. Since their introduction over a century ago, electric lights have become an essential part of daily living, widely used in homes, industries, agriculture, transportation, and even in critical areas like defense and scientific research. Their versatility and efficiency continue to make them a cornerstone of modern civilization.
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