Lighting is a source of energy that promotes visibility and supports people's activities. Indoor or outdoor lighting can be used to help determine the time of day and indicate when switches, buttons, and other objects are available. In addition, the right lighting can create a space that is both visually appealing and safe. Lighting has come a long way since the invention of the light bulb in 1879. Modern light sources can be controlled by using different technologies to create more efficient and adaptable lighting schemes. There is a wide range of energy-efficient lighting technologies available today, such as LED lights, that are designed to save energy and money. Lighting helps people see more clearly and navigate the world around them. It can also be used to create an atmosphere in a room or area which can affect people's moods. Different types of lighting can be used to enhance the beauty of a room, such as accent lighting that adds depth and creates focal points. Lighting can also be used to control the amount of energy used in a given space. For example, motion sensor lights can be used to turn off the lights when no one is present in a room. This can help save energy and money. The use of lighting can also help reduce the risk of accidents in a room or area. Good lighting techniques can help reduce the number of shadows, which can cause dizziness or headaches, and reduce the chance of someone tripping or falling. In conclusion, lighting is an important tool that can help us live our lives more safely and efficiently. With the right lighting technologies, we can create lighting schemes that are energy efficient and provide a comfortable and safe environment.