On Reddit, folks are wondering why these photos of piles of blue powder look like they are 3D. Some don't see the effect, but I do.
Back in August of last year, Andrea posted a piece about the Ames window illusion (and Ames rooms). In this Veritasium video from a few days ago, they set up some very trippy demonstrations of this amazing optical illusion in action. My jaw literally dropped several times. Image: YouTube READ THE REST
Michael Bach a scientist of visual function, and he made a clever site that shows off 141 optical illusions — using interactive doodads that let you tweak different parts of the illusion, to figure at what point the illusion breaks. This interactivity, these breakpoints, turn out to be incredibly useful in grasping the quirks of… READ THE REST
The circles are rotating, to be sure, but are they moving in the direction of the arrows? (Via Core 77) READ THE REST
Add another piece of bad news to COVID's destructive fallout: it might be further wrecking your eyesight. With so many of us working from home, the time many now spent in front of a screen is on a drastic rise, now reaching up to 13 hours a day or more. All those device screens just… READ THE REST
Sometimes, you run across an item that's so functional and necessary that you've gotta have it. Other times, you find something that's so wonderfully geeky that you've gotta have it. The sweet spot is when you can find something that scratches both of those distinct itches. These Star Trek edition KeySmart Pro Key Organizers with… READ THE REST
With so many different protocols, competing frameworks, and differences of opinion floating around, it's often tough for the text industry to come together and agree on virtually anything. However, time and circumstance can occasionally come together to codify a certain app, tool, or technique as the one true way to get things done. When it… READ THE REST