I always wondered how U.S. security/intelligence system works. More importantly, how functional in practice inter-agency cooperation and information exchange really is – specially when there are like gazillion of them… Who coordinates them? Which one acts as roof on top of them all/is its name publicly known at all? I’m sure some of our millions [...]

Hardly a week has passed since we last featured one of the Greeenpro’s creations, more specifically – Dots in Motion optical illusion video. No matter the short time span, we already received two new excellent illusions from the same author! For example, check these two cigarettes on your right – just by looking at the [...]

Before we start discussing today’s post, there’s one semi-crucial thing I’d like to share with you… hopefully someone will be able to help, eventually (?!). As you know, little while ago we have started our very own Facebook channel, which over time has accumulated more than 8,500 members. Unfortunately, back then I wasn’t aware that [...]

As I said already, this is one type of an illusion I love sharing the most! Simple, beautiful, and still puzzling. Exactly what true optical illusion should be like. It is as if the question asks itself. But for those without experience, I’ll be polite and put the question in words – Which one of [...]

Check out this cool animated .gif file, one that Markus compiled and decided to present us with! It’s shows a well known relative sizes effect, which is characterized by visually perceived images that differ from objective reality. It results with our eyes seeing one thing, while our brain sees something entirely different. The information that [...]

Update: The solution has been posted, you can see the answer by clicking on the original picture! I can imagine you had enough of all them Ebbinghaus illusions by now, but I promise this the last time! Just wanted to see if all my submissions regarding this topic had any weight, and if the experience [...]

I see a real debate going on, regarding our previous illusion. Even though “Mail Box” was the proper answer, I take full responsibility for the illusion appearing as “Mail Boy”. As it seems, I’ve added so many 3d effects to the original illusion (to make the design fit our standards), it was my fault the [...]