Most of us already know that darkness is the absence of light, and that light travels at the fastest speed possible for a physical object. So, what does this mean? In short, it means that, the moment that light leaves, darkness returns. In this respect, darkness has the same speed as light. However, in some instances, darkness actually moves faster than light.
How is this possible? What is the highest possible speed of darkness? Find out in this new episode of Vsauce. The explanation will blow your mind.