Powered by KikBooks Widget

Relative Sizes Category

Psychologist Richard Wiseman posted this Ponzo illusion, telling us all three cars are of the same size. Ponzo illusion, first demonstrated by Italian psychologist Mario Ponzo in 1911., suggests that the way we judge an object’s size is highly dependent on its background. Just browse this site’s #Relative Sizes category and you’ll see many examples […]

Here’s a real, unaltered Reuters photo from recent friendly match between France and Belgium. The guy in blue is French forward player called Mathieu Valbuena. Even though he’s one of the smallest players in elite European soccer (roughly at 5’6″), he’s not as small as it seems! In fact this guy is leaning way back, […]

Say what you will, but old school stuff never gets old! Just look at this plain and simple optical illusion made from nothing but few lines. Perspective makes the corridor look 3D, which automatically makes both vertical red lines seem further dissimilar in length. Can you guess which one is bigger? If you’re an old-time […]

Richard Wiseman’s viral clip Assumptions has been viewed more than 3 million times on YouTube, which immediately propelled him into #celebrity status. As a result of this success, Richard has been invited to create online content for various projects, including Derren Brown’s The Events, the launch of The Mentalist, and Transport For London’s campaign to […]

Take a look at this short and simple animated #gif showcasing the Jastrow illusion in action! The Jastrow illusion was first discovered in 1889, by American psychologist Joseph Jastrow. In this clip, both figures are identical in size, although the lower one appears to be slightly longer. The short edge of the upper shape is […]

Hope you had the time to recover from all the Christmas joy, celebrating and food… I still haven’t. Anyway, I’m leaving for a vacation today but will be back soon. You don’t have to worry about the content rolling in while I’m away – it’s all set! Every now and then, perfect timing and cameras […]

Here’s an illusion we already had an opportunity to experience first hand in one of our earlier posts. This is the best example I’ve seen up to date. Although it may seem intuitively impossible at first, when we take the shape of the table surface on the left and apply it to the table on […]

Apart from seeing the missing sections of these 4 dark disks as the sides of the square (some will even perceive the square as brighter than its surroundings), as well as perceiving the vague contour lines of a square that doesn’t actually exist, this picture holds another great optical illusion. When the brain sees an […]