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 [...]

realtive sizes optical illusion - a

I have prepared a little longer article than usual for today, but if you have nerves going through it (specially if you are a kid or have one), I believe you will learn something worth knowing. So let’s begin – take a cup of coffee, sit back in your favorite easy chair and we are [...]