Band Theory of Solids. A useful way to visualize the difference between conductors, insulators and semiconductors is to plot the available energies for electrons in the materials. Instead of having discrete energies as in the case of free atoms, the available energy states form bands.
[MEDIA] Sigh, Popee the Performer. Where do I begin? Popee the Performer is a CGI kids anime created by Ryuji Masuda, who hasn't really created...
To make things even more creepier was that before I even discovered Popee the Performer, I designed a character named Smiley for a fan-project called The Modifyers Rebooted who was also a clown who wanted to be the best one in circus.