Optical Illusions

blue_green_spiralEveryone loves optical illusions. If you don’t… well, I don’t have to finish that sentence because every loves optical illusions!

There are many awesome illusions floating around the web, and I’m sure you’ve seen the majority of them. Here, I shall be linking to a few that I find really interesting.

First up, the blue / green spiral illusion (Slate) shown on the left. Well, green spirals, as both the blue and the green are actually the same colour. It’s mindbendingly brilliant. We also have another colour illusion (Slate), this time with the colour appearing to change when the solid black lines are either horizontal or vertical. In fact, the background remains the same colour throughout.

Next up, we have two videos from New Scientist. The first is an impossible roof that defies gravity. The balls appear to roll up the roof to the centre! This is a great example of how viewing an object from a very specific angle can fool our brain. The second video shows how rapidly changing images of faces can make them appear grotesque when viewed in our peripheral vision. It’s actually rather freaky when you look at it!

Finally, we have a fantastic time lapse video of a large sculpture, entitled MÖBIUS (shown below). “Twenty-one large triangles animated by Melbourne, throughout Federation Square. MÖBIUS is a sculpture that can be configured into many cyclical patterns and behave as though it is eating itself, whilst sinking into the ground. The result is an optical illusion and a time-lapse of people interacting with the sculpture and moving through Melbourne’s landmark location throughout the day.” (Vimeo)

There’s also a behind-the-scenes making-of video, which is interesting to watch too.

Which is your favourite illusion from the ones here? Onwards!

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3 Responses to Optical Illusions

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