(63 votes)
Admit it, what did you see first when you opened this article? Was it a cat or…. an upside-down cat? Just kiddin’, are you able to see an angry beaver in a position where upside-down cat’s nose and mouth are supposed to be? An interesting take on “Young Lady or an Old Hag” illusion, if [...]
(65 votes)
The Thatcher effect or “Thatcher illusion” is a phenomenon where it becomes difficult to detect changes in an upside down face, despite identical changes being obvious in an upright face. It is named after British former Prime Minister Margaret Thatcher on whose photograph the effect has been most famously demonstrated (this illusion was originally created [...]
(78 votes)
What can you do with a few hundred spools of thread in various colors? If you’re Devorah Sperber you can make amazing upside down portraits of pop culture icons and classical artworks that can only really be seen correctly with a large convex lens that helps squish the image together and flips it right side [...]
(100 votes)
As seen on Deceptology blog, company called Quaker Oats published an interesting advertising booklet way back in 1895. This vintage booklet contained 25 nursery rhymes, but more importantly there was a DIY optical illusion puzzle printed on its front cover. Might be interesting to know this item is now sold as vintage collectable (also known [...]
(60 votes)
These Heads Up Juice Glasses (which can be found in our partner store) come with two glasses consisted of multiple meaning illusions, one featuring a boy and one featuring a girl, both of which transform into an older version of the same character when flipped upside down.
(100 votes)
I don’t know about you guys, but I love top ten lists. When Vurdlak asked me if i could do one, I was really excited and a little surprised to see that there are only two top-tens on the site already. Well, rest assured that if you like posts like this, I’ll be happy to [...]
(39 votes)
Erik Johansson… Hm, now why does this name sound so familiar? Let’s see if our post tags can be of assistance in situation like this one… I knew it! If you check the #Erik Johansson tag, you may discover he had created that marvelous chalk drawing in Stockholm’s square, one we featured not so long [...]
(31 votes)
Sam Saxton has a bit of a gift, he can not only visualize how to make just about any word into an ambigram, meaning it can be read right side up or upside down, he also knows how to draw people with that same technique. The result is a series of celebrities, historical figures, even [...]
