Lighting is the use of light to achieve a practical or aesthetic effect. Indoor lighting is usually accomplished using light fixtures, and is a key part of interior design. Lighting can also be an intrinsic component of landscape projects. Lighting not only serves a practical purpose, but it can also be used for aesthetic and decorative effect. Lighting has been used for thousands of years, in various forms. Initially, natural sources of light, such as sunlight and fire, were used. These sources were later supplemented with candles, oil lamps, and gas lamps. With the development of the electric lightbulb, lighting began to become easier and more accessible. The lightbulb transformed the night into a source of light and power. Today, lighting technology has dramatically advanced. LEDs, or light-emitting diodes, use much less energy than traditional bulbs and are capable of producing a variety of different colors. Smart lighting systems, such as those used in offices and homes, can be programmed to turn on and off automatically, and can even be adjusted to create a certain atmosphere. Lighting is an essential part of our lives, providing us with illumination, warmth, and safety. When used correctly, lighting helps to bring life and beauty to our world.