8-BIT WISDOM: Having trouble understanding Immanuel Kant's categorical imperative? We don't blame you. Philosophy can be as dense as, well, trying to grasp the meaning of life. Thankfully, we have 8-Bit Philosophy, a scintillating YouTube video series that uses Zelda, Mega Man, Contra and other 8-bit NES classics to explain some of history's greatest (and most complicated) philosophical concepts. Suddenly, Plato's allegory of the cave makes much more sense when it's being taught by Link.