Bill Braun is a “trompe l’oeil painter” who creates paintings that look like paper craft, complete with visible paper folds, shadows, and even the “staples” holding the “paper” to the backing. What an incredible illusion. And I always enjoy an artist who is reticent to give an artist statement or explain their work:
I don’t like to give an artist statement because it undoes the premise of my work, trompe l’oeil painting. Literally from the French, trompe l’oeil means “trick the eye”. An artist’s statement might undo the fundamental aim of convincing the viewer, at least for a moment, that what he sees are actual objects and not a painting. The basic rules of trompe l’oeil painting are that objects are rendered in real scale, and totally within a shallow painted space. This type of painting has always been a minor branch of realist painting, but with a very long history. The Athenian painters Xeuxis and Parrhasios in 5th century B.C. (as told by Pliny the Elder in his Natural History) and Roman murals of the 2nd century A.D., 16th century Dutch vanitas painting and the 19th century Philadelphia School painters, Harnett, Peto and Haberle, are examples. Today there are still trompe l’oeil painters around; I am happy to be one of them.
If you watch the video above of a front-facing camera on a moving train, the train appears to move much faster in the zoomed out view than in the zoomed in view. Here’s what’s going on:
The illusion that speed decreases when zoomed is “because when one focuses on an inner portion of the movie, the optic flow angular speed is slow, and appears to fill one’s entitle visual field, which is consistent with overall lower forward speed.
Note: The more zoomed, the more densely packed the overhead rigging appears. So, even though you appear to be moving forward more slowly when zoomed in, the actual rate of rigging flowing by remains constant, consistent with same forward speed in all conditions.
The winners of the Best Illusion of the Year Contest for 2021 have been announced and among the top 3, the one that really baked my noodle is the second place winner, Michael A. Cohen’s Changing Room Illusion:
Oh dear, this illusion just totally broke my brain. No can write now. Somehow all same ball colors. What world? What earth? Why live? (Even after reading and seeing the explanation, I had to drag this into my photo editing app to verify it with my own eyes. True true. Oh, humanity.) (via @flyosity)
Healing Grid is an optical illusion by Ryota Kanai that was a finalist in the 2005 Best Illusion of the Year Contest. If you stare at the center of the image for several seconds, the broken edges start to “repair” themselves in your peripheral vision. Explains Kanai: “This illusion seems to indicate the preference of the visual brain to see regular patterns.” (via @stevesilberman)
We argue that the uniformity illusion is the result of a reconstruction of sparse visual information (from the periphery) based on more readily available detailed visual information (from the fovea), which gives rise to a rich, but illusory, experience of peripheral vision.
This is one of the best optical illusions I’ve ever seen: aside from rotating, these circles don’t move.
The left/right/up/down arrows were freaky enough but the in & out arrows really blew a gasket in my brain. For proof that the circles don’t move, blink your eyes quickly as you watch or check out this gif. (via @jagarikin)
A Mind Sang is an inventive short film about “perception, rebirth, and transformation”. What I most liked about watching was how effortless it was to see the transitions between all the optical illusions — but it wasn’t too easy. A great sense of pacing by filmmaker Vier Nev. Read an interview with Nev about his film on Vimeo’s blog. (via @mikeindustries)
This mind-bending optical illusion concocted by Frank Force has won this year’s Best Illusion of the Year contest. The illusion features a moving shape that somehow can be seen to rotate around both the horizontal and the vertical axis and rotates in two different directions around each axis. W. T. A. F.
This impossible M.C. Escher-esque cube broke my brain a little bit. And you might get some ASMR tingles when the cube snaps back into place right at the end. Mmmmmm.
Is this a blurry photo of some sliced ham? Or is the ham perfectly in focus? This is a gnarly optical illusion, that’s for sure. Even when I force myself to realize the photo is in focus, that ham still looks blurry. (via digg)
I couldn’t figure this out when I watched it on my phone this morning, but if you watch it in fullscreen HD, you can see how the shapes are cut to look different from various angles. Still trippy though.
Update: Make Anything reverse-engineered the illusion…here’s how it works:
Somehow, this woman seems to be spinning both clockwise and counter-clockwise simultaneously. This is worse than the spinning ballerina. Anyone know who did this? Randomly found it on Facebook and couldn’t trace the source back…
Which gray block is actually darker? Hold something over the seam to find out.
Mindblowing, right? Now for the fun science part: how does this effect work? Well, it works because whoever made this thing is a fucking witch. I mean, Jesus. QED. (via ★interesting-links)
When the hand reached in to turn the Rubik’s Cube, my brain melted and spilled out of my ear and into a puddle on the floor.
The images used in the video are available for printing out so that you can wig out your friends and kids in person: Rubik’s Cube, tape, and shoe. (via colossal)
It took me at least 30 seconds of looking at these shoes to realize that the woman wasn’t floating two inches off the ground and what I thought were shadows are actually heels. Even knowing the secret, the effect switches for me like a Necker cube or the spinning dancer.
This morning I went into the darkest room in our house (the kids’ bathroom), closed the door, and turned off the lights for 5 minutes. There was enough light coming in through the crack in the door that after a minute or two I could begin to make out shapes in the room: A towel rack, the shower curtain. My eyes had adapted to the dark condition. Then I closed my right eye and covered it with my hand. I turned the lights back on, for a minute, until my left eye had adapted to the light. Then I turned the lights off.
I could still see the towel rack and shower curtain with my right eye, which remained adapted to darkness. But my left eye could see nothing. In fact, my left eye felt as if it was closed. I made every effort to open the eye, but it seemed that some unstoppable force was keeping it closed. The only way to make my eye feel as if it was open was to cover it with my hand. I still couldn’t see anything with the eye, but at least I could convince myself it was open.
I’ve been obsessing over this optical illusion ever since I ran across it yesterday.
Is she spinning clockwise or counterclockwise? Or both…and how is that even possible? It’s a left-brain vs. right-brain test…which way she spins for you determines which side of your brain is more dominant. (Tip: if you’re having trouble getting her to switch directions, focus on a point a couple of inches below her feet…that seems to do it for me.)
Update: Neuralogica Blog debunked the left/right-brain explanation in this post.
This news article, like many others, ignores the true source of this optical illusion and instead claims it is a quick test to see if you use more of your right brain or left brain. This is utter nonsense, but the “right-brain/left brain” thing is in the public consciousness and won’t be going away anytime soon. Sure, we have two hemispheres that operate fine independently and have different abilities, but they are massively interconnected and work together as a seamless whole (providing you have never had surgery to cut your corpus callosum).
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