A captivating optical illusion tests your observation skills. Initially, the image shows just one man on a secluded beach, ...

Solving optical illusions requires patience, observation, and strategic techniques. To spot hidden numbers, viewers should ...

It's a mix of art gallery, science exhibit and a 21st century funhouse. Paradox Museum Miami is taking guests on a tour ...

Optical illusions are the most amazing and mind-bending visuals, challenging the way we perceive things. These changing ...

The second man can be spotted by tilting the image upside down. He is hiding in the space between the bird and the man’s shoulder. If you loved this optical illusion challenge, remember to try ...

The more upside-down the image, the less likely people ... pages 937–942 4. There's a great optical illusions website which has a rotatable online version of the original Thatcher image 5.

The Thatcher effect, also known as the Thatcher illusion or Eyesmouth-Wrongway, is a phenomenon where it becomes more difficult to detect local feature changes in an upside-down face, despite ...