Sometimes the simplest illusions are the best. A simple trick makes a sketch of a cube appear to float and twist in the middle of a sketch pad. This optical illusion is completely inexplicable when ...

Artist James Nolan Gandy invents robot arms that sketch intricate mathematical shapes with pen and paper. When viewed in real time, the effect is impressive. But it becomes even more so when the ...

Some optical illusions require creative talent. You have to draw spirals, and pick the right colors, or at least have the ability to make two faces in profile look like one vase. Not these two ...

Optical illusions come in all forms, from mind-melting artwork to photography trickery, but there's one style that never fails to perplex the internet – the humble colour illusion. Fooling the brain ...

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I love fun illusions, and I happened upon one that’s pretty interesting to see: an artist draws a glass of water that is startlingly 3-D: Oddly, the illusion is actually more convincing to watch at ...

How good is your observation prowess? Do you believe you can trust in your ability to see through deception? If you think so, you must be among the top 1 per cent masterminds who possess a good ...

People with locked-in syndrome could use their eyes to mimic handwriting or drawing thanks to new gaze-tracking software. You might think you control your eyes, but really they are constantly making ...