Artificial light refers to any light that is created by human-made sources rather than natural ones. This includes common items like light bulbs, LEDs, and neon signs. Artificial light is essential for our daily activities, allowing us to see and work after the sun goes down. It has transformed how we live, making it possible to extend our day beyond daylight hours. The invention of artificial light has had a significant impact on society. It has enabled advancements in various fields, including medicine, education, and entertainment. With the ability to illuminate spaces, people can gather, learn, and create at any time, fostering innovation and connection in ways that natural light alone could not.