Hot dog Space ShuttleCategory: Size and Distance | Added: May 29, 2009 | 15 commentsA classic example of an illusion involving near and far away objects so that the larger distant object appears smaller than the object in the foreground. In this case the photographer is pictured with his mouth open wide ready to consume the space shuttle which looks a bit like a hot dog in this context.
Moving DotsCategory: Moving Images | Added: May 29, 2009 | 31 commentsTo see this illusion try staring at the yellow dot in the center for a short time. You should start to see the blue dots around the outside begin to disappear and reappear intermittently.
Image Credit: This image is believed to be in the public domain. Elephant LegsCategory: Impossible Objects | Added: May 28, 2009 | 30 commentsThis one is sure to get you thinking, how many legs does this elephant have ? Not as straight forward as it may first appear, this picture has been featured in books and on web sites for years. Have you counted them all yet ?
Image Credit: Roger Shepard Duck Rabbit IllusionCategory: Double Meanings | Added: May 28, 2009 | 30 commentsWhat is this a picture of ? At first glance it may appear that this is a picture of a duck looking towards the left, however if you look closely you'll see that the image is also a rabbit looking towards the right. The beak of the duck and the ears of the rabbit are represented by the same part of the image.
Image Credit: J. Jastrow (1899) 3d Floor TilesCategory: 3D Illusions | Added: May 28, 2009 | 14 commentsThis photograph of the floor tiles in Basilica of St. John Lateran demonstrates an optical illusion that produces a three-dimensional effect. The actual floor tiles are completely flat however the pattern gives the impression of raised boxes.
Image Credit: Tino Warinowski