



(68 votes)

The tracheal tube illusion animation your about to see has been circulating the net lately. It is a simple relative sizes optical illusion, which goes in tandem with the following question: Which tracheal tube is longer? When I first saw it, two questions immediately captured my attention: A) What is “tracheal tube”? and B) Will [...]




(40 votes)

Week ago, Deceptology blog brought another hard-to-believe brain teaser, based on a relatively known type of old-school optical illusion. What you should do is check out the the two matchboxes on your right. I can’t imagine how capable the person trying to persuade you into believing this should be, but what I can tell you [...]



