You might have seen this shaded gray squares illusion before. Squares A and B are the same shade of gray. (It was created by Edward H. Adelson, Professor of Vision Science at MIT.
Here's a similar illusion with colored squares. The "blue" tiles on the top face of the left cube are the same color as the "yellow" tiles in the top of the right cube.
Don't take my word for it. Use an image editing program with a eyedropper to see for yourself. I used Photoshop's eyedropper tool to take 5x5 samples and found that both the "yellow" and the "blue" tiles are C:50 M:40 Y:40 K:5.
Take a look at the brown tile in the center of the top face and the yellow tile in the center of the side facing slightly to the left. They're the same color.
UPDATE: The color tile illusion is one of many excellent illusions created by R. Beau Lotto.
Maria Farrell admits that comparing smartphones to abusive men (they try to keep you from friends and family, they make it hard to study or go to work, they constantly follow you and check up on you) might seem to trivialize domestic partner violence, but, as she points out, feminists have long been pointing out […]
Trump wants to roll back regulations that promote low-power light bulbs, even though at this point the industry has moved on and isn’t likely to do much in the way of modernizing incandescents. His interest is, as always, deeply personal: he thinks LED lights make him look orange. “The light bulb,” the president began. “People […]
The wonderful folks at Paleotronic (previously) have rounded up scans of articles from 1980s-era computer magazines that advised new computer users on navigating the burgeoning world of dial-up BBSes.
Breaking into the big leagues as a project manager isn’t done overnight, but there are principles that anyone can learn, and they’re applicable to nearly any business. No matter what your field, if there are multiple teams working toward a common goal, you’re going to need a roadmap. The Project Management Professional Certification Training Suite […]
On the one hand, nostalgia is “a corruption of the historical impulse,” according to William Gibson. On the other hand, “Super Mario Bros.” will never not be cool. Luckily, there’s a way to satisfy that retro gaming while still keeping an eye on the future: The GameShell Kit. This thing is simultaneously the last handheld […]
The field of data analytics can get intimidating, even for business professionals who constantly rely on it. But at its heart, its purpose is to simplify. To take mounds of information and distill their insights into a single clear picture. Currently, the go-to software for painting that picture is Tableau. And if you want to […]