Hopefully if you're viewing the eclipse today, you'll be using one of the safe methods that won't harm your eyes! ... But if you're somewhat of a trickster, here's an optical illusion you can send your friends after the eclipse, that might make them wonder (just for a second) if
Choosing great colors for a graph is sometimes the most difficult part. And here is yet another thing you need to worry about ... sometimes colors represent different things in different cultures! In this blog post, I improve a graphic to help you get a grasp on those color-to-culture relationships.
When using visual analytics, it's important to realize that WYSIWYG (what you see is what you get) is not always true. By recognizing a few optical illusions and tricks, you might become a better data analyst ... and have some fun along the way. Let's start with the Koffka Rings
