Let’s start this weekend with a fun little optical illusion. Take a look at this image, and tell me what you see…
What’s on top of the column? Is it a hole or a pyramid? Kinda hard to tell, huh?
When you first look at this illusion, one or the other—a hole or pyramid—probably jumps out at you. When you look at it again and focus on it, you can probably see it switch to the other one, either a hole or pyramid, depending on what you saw the first time around. It does look like a pyramid, but when you really look at it, the angles and shadows also make it look like there’s a hole going down through the center of the column.
BUT… (There’s always a but, isn’t there??)
I can tell you with a fair amount of certainty that there is no hole. This is a pyramid illusion, plain and simple, and I have proof! Can you see what I’m seeing? Why do I think this is a pyramid…?
Shadow from the pyramid is still there when you view it as a hole.
I was not really sure where to suggest an illusion for you, so I will suggest it here in the comments out of the hopes that you will feature it on your website. I am a Yes fan, and realized that one of there music videos is an opitcal illusion in itself! If you featured it I would be very grateful. Here is “leave it” https://www.youtube.com/watch?v=8-hJFoSgXfM
How about this one over at opticalspy.com
This is certainly a pyramid top; the tip has a shadow which is clearly visible on the flat part of the structure’s top.
IF YOU LOOK AT THE DARK TRIANGLE ON THE RIGHT ITS A PYRAMID. NOW LOOK AT THE LEFT LIGHT TRIANGLE AND IT BECOMES A HOLE. AT LEAST THAT’S HOW I SEE IT…
In addition, we can see all the four sides.