Steve Mould offers a couple of explanations for the flashed face distortion effect. I've seen this before and it's very strange. When you put pictures of two different people side-by-side and flash several pairs, the faces look like gross caricatures. By way of explaining it, he also presents a couple of other cool visual effects.
Kelli Rogers recorded this magical clip while paddleboarding with her grandchildren on the Salt River in Arizona's Tonto National Forest. Some might have you believe that this is just illusory motion but it's more likely that these are holy horses. The neigh-sayers are just trying to stirrup trouble. READ THE REST
The Rakotzbrücke devil's bridge was constructed to create the illusion of a circle when it is reflected in the water beneath it. Check out some stunning images of the optical illusion here. The bridge was commissioned in 1860 by the knight of the local town and is located in Kromlau, Germany's Kromlauer Park. Visitors can… READ THE REST
I suggest pausing at 15 seconds in to come up with your angle on how you think this works. As MC Escher said, "Are you really sure that a floor can't also be a ceiling?" illustrative front page thumbnail image (cropped): BINK0NTAN/Shutterstock READ THE REST
We thank our sponsor for making this content possible; it is not written by the editorial staff nor does it necessarily reflect its views. Summer may be coming to an end, but that doesn't mean your adventures have to stop. Whether it's a business trip or weekend galavanting around town, broadening your world can be… READ THE REST
We thank our sponsor for making this content possible; it is not written by the editorial staff nor does it necessarily reflect its views. Nothing's worse than trying to find that random image someone sent you, however many months back, frantically searching through email threads for something that looks familiar. Not only is that stressful, but it's… READ THE REST
We thank our sponsor for making this content possible; it is not written by the editorial staff nor does it necessarily reflect its views. Studying has become incredibly unconventional, starting with doing everything online and continuing with giving textbooks the axe. So if you're ditching the stacks for a more modern way to focus on your… READ THE REST