This illusion only works if you cross your eyes a little. If you can you will be able to see a third image of a translucent spaceship flying between these two above.It takes a bit of practice - enjoy.
The black bar moving back and forth looks like its bobbing up and down - it isn't.
Can you see the white square moving from left to right? This phenomena is called the Kanizsa Illusion.
This melting ice cream made by US pop sculptor Desire Obtain Cherish (D.O.C.) forms part of the Art Taipei exhibition at Taipei's World Trade Center. More then 500 artists from 15 countries are taking part in what is Asia's longest-running art fair. Around 1,000 works of art are on display in the show, which runs until 3 November.
Yes, there is someone hiding in this optical. Only the the very observant will see. It's a bit scary.
Car manufacturers seem to like optical illusions. We have recently had the Honda video with some great tricks and here is an older advert from Audi attempting the same. Perhaps its the same agency. Which one do you prefer?
Here is our latest upside down illusion illusion. Today our subject is L J Rich, freelance presenter music composer and hacker. Plus being an excellent tweeter. @LJRICH
Can you see the hidden image? Once you've got it, you'll never lose it. Click on the spots to reveal.
These guys are climbing the support cables on the Brooklyn Bridge. But can you pick the climber the same height as the man at the bottom left, A, B or C?
All we have here is a red square turning on a black and white spoked wheel, but we find it mesmerising and the square looks all irregular.
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