We all know that the only source of light before was the sun. It was the only time wherein our ancestors can do whatever they want, and it is the only time where in plants and flowers gather light for photosynthesis to occur. Then man created fire, it was first discovered that the friction by two objects can start a fire that emits light at night. And when man created electricity it was practically because of the darkness that occurs at night. It’s only use before is to provide light at night, so that people wouldn’t go blind in the darkness and still continue their daily chores even in the night. Now one of the latest inventions which are grow lights; it enables people to continuously enable plants to grow even at night. It is also used to cultivate plants so that it can create a good effect when the plants grow. The use of grow lights is to support indoor gardening, food production, plant propagation and many other things.