New Delhi, July 24 -- Optical illusions are meant to fool the mind, and this is exactly what this game is doing. What looks like a grid full of "wood" is actually a carefully crafted trap. Somewhere in this hypnotic puzzle hides a single word that does not belong: wool. The hidden word blends in so well that the brain glosses right over it. That is because our minds are wired to recognize patterns, not irregularities. The more one looks at the illusion, the more it slips away. So, can you outsmart this illusion in 7 seconds?

Just in case you are scratching your head and puzzled about how to solve this optical illusion, fret not, as it happens with everyone. Here is a quick tip: stop reading and start scanning. Do not look for the word wo...