![Benham's Disk (Benham's Top) a top painted with the pattern shown. When the disk is spun, arcs of pale colour, called Fechner colours (or pattern-induced flicker colours (PIFCs), are visible at different Benham's Disk (Benham's Top) a top painted with the pattern shown. When the disk is spun, arcs of pale colour, called Fechner colours (or pattern-induced flicker colours (PIFCs), are visible at different](https://c8.alamy.com/comp/KHW8BN/benhams-disk-benhams-top-a-top-painted-with-the-pattern-shown-when-KHW8BN.jpg)
Benham's Disk (Benham's Top) a top painted with the pattern shown. When the disk is spun, arcs of pale colour, called Fechner colours (or pattern-induced flicker colours (PIFCs), are visible at different
![Benham's Disk (Benham's Top) a top painted with the pattern shown. When the disk is spun, arcs of pale colour, called Fechner colours (or pattern-induced flicker colours (PIFCs), are visible at different Benham's Disk (Benham's Top) a top painted with the pattern shown. When the disk is spun, arcs of pale colour, called Fechner colours (or pattern-induced flicker colours (PIFCs), are visible at different](https://c8.alamy.com/comp/KHW8BM/benhams-disk-benhams-top-a-top-painted-with-the-pattern-shown-when-KHW8BM.jpg)
Benham's Disk (Benham's Top) a top painted with the pattern shown. When the disk is spun, arcs of pale colour, called Fechner colours (or pattern-induced flicker colours (PIFCs), are visible at different
![I will pay whoever can dye this for me. "Benham's Disk" creates optical illusion of colors when spun. : r/discgolf I will pay whoever can dye this for me. "Benham's Disk" creates optical illusion of colors when spun. : r/discgolf](https://i.redd.it/6zifgeo3eyj71.jpg)