So if you read my post My First Research Term For The Arcanum: Silence. Why? It's Complicated…, you’d know what this is all about. As Robin Griggs Wood’s apprentice in Trey Ratcliff’s Arcanum, part of each week’s challenge is to research a term that relates to creativity. While the first term I researched was silence, this time, I chose "chromatic aberration.” Whether you know what it is or not, you’ve seen it, you’ve experienced it, and it’s annoyed the living crap out of you, so here’s a basic breakdown of the bugger and what I’ve found. What Exactly Is Chromatic Aberration?