Lighting plays an electrical role in todays society. It allows us to work and play in the dark, while also making natural elements into nighttime works of art. By introducing artificially produced light, we can make dimly lit areas brighter and safer. Given the importance of lighting, it is not surprising that a variety of different types have been developed in order to meet specific needs. The most common type of lighting, and perhaps the oldest, is incandescent lighting. This type produces a warm, ambient light through the use of a heated filament. Although very popular, it is not very efficient and is being phased out due to its significant energy waste. LEDs are a newer form of lighting that is highly efficient, long lasting, and produces brighter light than traditional bulbs. They are also much cheaper than traditional bulbs and are easy to install. Fluorescent lighting is not as common but is still widely used in areas such as garages, hospitals, and other places that need long-term, high intensity lighting. This type of lighting uses a gas-filled tube instead of a filament and is highly efficient, but can cause dangerous levels of glare if not installed correctly. Finally, there is the newest form of lighting, known as smart lighting. This type of lighting uses sensors and algorithms in order to adjust the brightness depending on the environment or situation. It is energy efficient, safe, and can even be used to create interactive environments or decorative lighting. Lighting has come a long way over the years, from primitive campfires to modern LED lighting. It is an essential part of our lives and will continue to evolve as technology progresses.