



(37 votes)

This is a diamond variation of the Craik O’Brien Cornsweet illusion. What you have to do, is to look at each row of diamonds below. Does each row appear darker than the row above it? It sure does to me. In reality, all of the diamond shapes present in this figure are in fact identical [...]




(29 votes)

Concentrate on the left image, where you can see four circles with quarter of their constructional lines painted blue. If you blur your eyes a little, you should perceive a faint bluish color within the square region. As you presumed, it’s only an illusion – the square region is completely white. To prove this, let [...]




(36 votes)

Here’s an interesting approach to original Lilac Chaser illusion, invented many years ago… Wait for the animation to load, and concentrate on the center dot for a minute or so. Normally the skulls are disappearing in a clock-wise direction, but if you manage to stay still and concentrated, you will experience an afterimage of the [...]




(32 votes)

So I did something extremely important today. I have upgraded this WordPress blog to the newest 2.8.4 security update, just to make sure we’re safe from newest hacker attacks (more here). It took me more than I imagined. After all the work has been done, I had to make sure everything still functions properly. By [...]




(44 votes)

This is an oldie, but we rarely see this kind of optical illusions in its full effect. Ok, this is what I want you to do: count how many different colors you can see in this spiral below. Unfortunately color-blind individuals will only see a grayish pattern, so this won’t work for them (those of [...]




(14 votes)

I’m very glad you have enjoyed my new method of posting solutions. Somehow there are still few among us that missed the expandable box, I placed below the first sandwich illusion. Perhaps my solution thingy doesn’t work in all browsers? I gave it a test in Firefox, Chrome and Internet Explorer, and all three gave [...]




(53 votes)

Be sure you update your Vista gadget, I just made the featured post about it – above. Chris O’Bray found these incredible photos, and decided to share them with our community. This is what Chris said: “You’ve probably got dozens of people sending you this, but just in case it’s passed you by. Check this [...]




(28 votes)

Sometimes, optical illusions can serve a purpose. These images might seem familiar to you; look closely. Do they remind you of anything? If you have a driving license, or attended a medical exam at some point in your life, there is a big chance you encountered these during the process. Attached on your left, and [...]




