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Multi-Color Benham's Disk

by MosaicManufacturing

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Benham's Disk..."is named after the English newspaper-man and 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." Thanks, Wikipedia! We used 608 bearings to give it a smooth spin.

Multi-Color Benham's Disk

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