High Science

What Even is Light? We know for sure it's not dark. How do light bulbs work? Are they small suns inside a glass circle? James and special guest Greg stumble around as they try to explain light fundamentally. Kat and John enjoy their struggle. How can we explain light to a five year old? In order to handle the the complex question about what light is, it is best to start by exploring what light does. What Does Light Do? Mirrors are weird. We know light can reflect or bounce off things. So is light made up of bouncy stuff? We also know light refracts or it's path can bend. Imagine a straw in a glass of water. The water half of the straw looks disconnected from the top half. This is because light bends as it travels from water to air (or vice versa).  Light has to bounce and bend. What kind of thing does this? History of Our Understanding of Light Always starting with the Ancient Greeks. They understood light as straight lines called "rays". But how do these rays move? Some Greeks (example: Pythagoras) thought t