Do you recall the big internet debate about The Dress? The heated argument about whether The Dress was white gold or black blue made some of our science educators wonder about visual perception: Is Wedtrend Women Black Blue Sheath Spaghetti Straps Backless Floor Length Bridesmaid Dress With Elasticity WEDTREND Black And Blue Dress Original Picture Original Blue And Black Or White And Gold Dress Illusion Ten Years Black Blue Gothic Long Prom Dress D1002 D RoseBlooming