Illusion is derived from the Latin verb illudere, which means to mock or trick. Optical illusion pictures are designed to trick the human mind and are regarded as one of the simplest tests to ...

The conjecture predicts that whether one integer has an even or odd number of prime factors does not influence whether the next or previous integer also has an even or odd number of prime factors.

An Optical Illusion is a phenomenon that requires the use of visual skills to detect and spot the hidden objects in the given image. Hidden objects may be numbers, letters, images, or any combination ...

Optical illusion puzzles have been there for centuries and these are fun challenges that are designed to play tricks on our eyes and brains. Optical illusions work on a simple principle where it ...