Light Energy: Children's Physics Book

Did you know that light is an amazing form of energy? The speed of light is so fast that nothing can slow it down, including the human body! The study of light is called photonics. It teaches kids about the nature of light and how we can make it useful in our daily lives. However, you should remember that it has no mass. There is no way that we can live without it. In fact, we can't even see the Sun without seeing the moon.