An optical illusion is a visual phenomenon where our perception of thinking about an image differs from objective reality. This image is seen as a motion or spiral optical illusion (specifically a ...

Polystable illusions have been of interest to psychologists for a long time. Polystable illusions are typically still or moving images that observers may experience as having more than one ...

Planetary retrograde is an apparent backward motion as seen from Earth, creating the illusion of planets moving in reverse ...

Our brain is divided into two hemispheres, which are linked through only a few connections. However, we do not seem to have a problem to create a coherent image of our environment – our perception is ...

I have read your fascinating article on the phenomenon of superluminal shadows in astronomical contexts. It is truly captivating to explore these cosmic curiosities. However, I would like to point out ...