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...
Another pre-Superhero came from the comic strips, he is Popeye. He was created by Elzie Segar and first appeared in a strip called Thimble Theater in 1929. While he didn't go out and fight crime, he did eat his spinich and displayed some 'above average' feats of human strength while fighting his nemises Bluto.