Take a quick look at this cat on a stairway.  Do you think that the cat is climbing up the stairs and heading down the stairs?  Depending on how you look at it, you can probably perceive either to be true.  Maybe there are some clues on the photograph that could help you draw your […]

I remember seeing this image floating around the Internet a while back and recently stumbled across it again.  It is a really well illustrated ambiguous drawing.  Do you see Wolverine from the X-Men or two Batmen (would that be the plural of Batman?) staring at one another in front of a yellow background? If anyone […]

This design by Malo and the Whale was submitted to Threadless as a potential candidate for a t-shirt design.  The reflection of the trees, moon, and buildings in the adjacent lake create a very interesting scene.  Do you notice unique about it? (via Threadless)

This animation of an impossible ribbon was created by Erwin Bonsma.  Depending on how you look at it, this ribbon can be perceived as rotating in two different ways.  He credits the original idea to M.C. Escher’s print titled “Cube with Magic Ribbons” which happens to be the first drawing by Escher to feature a […]

This painting by Rob Gonsalves, completed in October 2014, features a dramatic transformation.  Looking at the painting from the bottom, a man is standing in a wooded area by a campfire, but as he looks up into the clear night sky, the trees morph into skyscrapers. (via Huckleberry Fine Art)

I’ve been painting a lot of doors in my house lately.  It is a slow process that I have been tackling about two doors at a time.  The results have been worth it as they look much better with two coats of fresh paint on them.  When I came across this illustration, it brought a […]

Today’s illusion has a pretty interesting effect.  We have featured several animations that are similar to this one (see the Turning Wheel Optical Illusion and the Spinning Dancer Illusion), but I still find the effect to be very fascinating.  The train in this animation is moving at a constant rate of speed.  But what direction […]