Matches in DBpedia 2015-10 for { ?s ?p "Benham's top, also called Benham's disk, is named after the English toymaker Charles Benham, who in 1895 sold a top painted with the pattern shown. When the disk is spun, arcs of pale color, called Fechner colors or pattern-induced flicker colors (PIFCs), are visible at different places on the disk. Not everyone sees the same colors.The phenomenon is not entirely understood."@en }
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- Benhams_top comment "Benham's top, also called Benham's disk, is named after the English toymaker Charles Benham, who in 1895 sold a top painted with the pattern shown. When the disk is spun, arcs of pale color, called Fechner colors or pattern-induced flicker colors (PIFCs), are visible at different places on the disk. Not everyone sees the same colors.The phenomenon is not entirely understood.".