Sixty Symbols is a series of… sixty scientific explanation videos of sixty scientific curiosities sixty lots of people might be interested in!
Among the topics, here’s an interesting explanation about Black Holes:

Made by professors and researchers from the University of Nottingham, some of which already showed up here on the Periodic Table videos!

I’ll be gradually posting the videos here, so you can choose either to watch them from time to time, or just go ahead to choose and watch those you’re interested in on the official Sixty Symbols website!

Source: Gizmodo