Lighting has been important to civilization since ancient times, and it is a critical part of our modern lives. Proper lighting can help make a space more inviting for people and can have a positive effect on our moods. It can also be used to highlight works of art and architecture, and to boost productivity. There are a variety of ways to light a space, the most common being natural lighting from the sun, and artificial lighting from bulbs, LEDs and so forth. Different types of lighting can be used to achieve different effects. For example, LEDs can be used for task lighting to reduce eye strain, and soft candle-like lighting can be used to create a relaxed atmosphere. Its important to use lighting that is both energy efficient and appropriate for the situation. Lighting can also be used as a form of decoration. Lights of different shapes, colors and sizes can be used to add visual interest and help set the mood in a room. In home theaters, for instance, colored lights can be used to create a cinema-like atmosphere. Good lighting is an essential part of modern life, and can be used in many creative ways. From task lighting to mood setting, lighting can be used to improve human experience in many different ways.