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January 7, 2009 | 74 Comments

Hola people! Before we start, be sure to get new “Optical Illusion of The Day” Vista Gadget (version 7.0). This one loads new illusions more quickly and runs much smoother. Ok, now that you downloaded it (and hopefully rated it with 5 stars :), let’s check the new illusion of the day. Had these warped [...]


December 26, 2008 | 17 Comments

Another auto post for you! As you are reading this, I’m with my my girlfriend on a 4-day visit to her family. Don’t worry about me not posting – I took my laptop along with me, and with a little luck I’ll manage to obtain appropriate 3G signal and post new stuff in the following [...]


June 30, 2008 | 16 Comments

Irene Román found this illusion, while looking for some in Google. She asked us if these two concentric circles below look irregular? “They obviously are”, some of you may say. I did as well! Well, since this is optical illusions website – they’re not! This type of visual phenomena is well known to me. I [...]


December 10, 2007 | 22 Comments

Examples like this one below have been posted in the past, most of them are still located inside “Seemingly Bent” category. Original illusion of this type is “Cafe Wall Illusion“. Never the less, I decided to post similar one today. I did this because the effect in the image below is strongest to date. Do [...]


November 3, 2007 | 30 Comments

The architect who designed this crazy building used a well known optical illusion effect in his blueprints. This effect was first noticed on a Cafe Wall somewhere in England, and stayed popular ever since. Basically the lines and blocks arranged in this special way, give you impression that the lines (in this case red ones) [...]


May 31, 2007 | 27 Comments

Can’t believe I almost missed covering this story! Reminded by Pablo Speciale, here are some best voted illusions for 2007. The contest is held every year by neauralcorrelate.com, and each year they choose top ten illusions from thousands of submissions. If you remember I covered 2006 winner here. I just believe winner illusion would be [...]


May 10, 2007 | 30 Comments

You aren’t gonna believe this one, it has to be one of the best illusions this year. It took me some time to understand what Pablo Salto-Weis Azevedo (the person who sent this to me) tried to explain. Well actually, immediately I saw that the church in the second picture looks different, but then I [...]


March 7, 2007 | 23 Comments

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This is a well known variation of bent lines illusion. There are hundreds of them, but this may as well be a representative specimen. No matter how much of them I see, I still haven’t managed to solve the mystery behind them. As we see, the little black and white squares give the impression of [...]


February 10, 2007 | 22 Comments

Crossing Circles Optical Illusion

Is it only me, or do these circles composed of black and white squares, seem to cross-over? You be the judge! It worked for me… Amazing. Similar one here. I’m still not sure how these illusions work, and boy, we had many of them here in the past. Another version would be the one, where [...]


January 21, 2007 | 8 Comments

Adrian Peña sent me bunch of illusions recently, but most of them already appeared on the site in the past. Still, one of them I found really great. I never saw it before, but had similar version of it. It’s called Warped Squares, and gives you opinion that all the horizontal and vertical lines in [...]