But assessing for planarity amid the addition and removal of edges is difficult without drawing the graph yourself and trying not to cross any lines (See “The Three Utilities Problem” below ...

All drawing is about technique and skill—at least until you add artistic inspiration to the equation. And technique and skill are really just tricks, when you think about it.

The side-scrolling adventures of two plumber brothers, Super Mario Bros., has long been iconic and influential.Now, during a discussion at Nintendo's E3 Press Conference, Super Mario Bros ...