Lighting has developed from being derived from natural sources to being abundant and reliable. From smokey caves to efficient and precisely controlled illumination, we now have a much better grasp on how to create a light source. The most common lights used today are incandescent lights, halogen lights, and fluorescent lights. Incandescent lights are bulbs that use an electrical current to heat a metal wire or filaments which then radiates light. Halogen lights are similar to incandescent lights, but use a halogen gas to provide much brighter, intense light. Fluorescent lights are a type of cold cathode bulb, which is filled with a gas and a trace of mercury vapor. When electricity is run through the bulb the gas is energized and emits light. Lighting is not limited to the home. We can find it everywhere from businesses and factories to streetlights and stadiums. Lighting can make a space a much more inviting atmosphere than one with no light, regardless of where it is placed. In addition, modern lighting has been designed to meet a variety of needs. Different dimming technologies and adjustable angles can be used to create a warm and inviting ambience or an efficient and powerful light source. Lighting offers many benefits. Not only can it improve the atmosphere in a room, but lighting might also improve the safety of an area. By illuminating dark and dangerous spaces, lighting can vastly reduce the possibility of accidents occurring. Furthermore, lighting can improve the general mood of a person by creating a calm and relaxed environment. In conclusion, lighting is an important part of modern life and it has come a long way since its earliest iterations. The next generation of lighting technology is already being developed, and it promises to be even more efficient and precise than its predecessors.