This illusion – named Pinna's Illusory Intertwining Effect – first appeared in Shifts of Edges and Deformations of Patterns ...

Amid the hypnotic spiral arms is a "twist," visible in the photo as a bright yellow region in the center, that is thought to be a sign of a planet being born, said Emmanuel Di Folco, a researcher ...

A mysterious spiral of doom — OK, just a spiral-shaped galaxy — has been captured in a new image by the Hubble Space Telescope. The object belongs to an uncommon class of galaxy called ...

The spiral is then rapidly spun as the festival-goers are instructed to close their eyes. After a count of 20 seconds, everyone opens their eyes again and the film begins.

This illusion – named Pinna's Illusory Intertwining Effect – first appeared in Shifts of Edges and Deformations of Patterns written by Baingio Pinna and Richard L Gregory, an academic journal ...