Brain teasers and optical illusion puzzles can help you prepare ... shoe within a sharp timeline of 12 seconds from the black-and-white frame to prove that you have strong and sharp eyesight.

(Rhythm Rathi/CBC) Ji Hyang Ryu said it took her about two weeks — and two litres of black paint — to turn the white walls into an artistic illusion. She said it was her first time working on ...

The image has a vintage look, thanks to its black-and-white or sepia tone, giving it an old-school feel. This isn’t the first time an optical illusion has captured the internet’s attention ...