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A software rendering of a spinning barber pole Barber pole, c. 1938, North Carolina Museum of History Barber shop in Torquay, Devon, England, with red and white pole. A barber's pole is a type of sign used by barbers to signify the place or shop where they perform their craft.
The barber's pole is commonly found outside barber shops. In 1929, psychologist J.P. Guilford informally noted a paradox in the perceived motion of stripes on a rotating barber pole. The barber pole turns in place on its vertical axis, but the stripes appear to move upwards rather than turning with the pole. [3]
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The white and red stripes represent bandages and blood while the blue stripes represent veins. The pole may be stationary or may rotate, often with the aid of an electric motor. [21] [22] A spinning barber pole creates a visual illusion, in which the stripes appear to be traveling up or down the length of the pole, [23] rather than around it ...
In 2025, the works unbound from copyright cap off the 1920s with literature, characters and more from 1929 entering the public domain.
Typically, dementia is associated with classic symptoms like confusion and memory loss. But new research finds that there could be a less obvious risk factor out there: your cholesterol levels ...
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The S&P 500 has surged 27% in 2024, on track for its best year since 2019. Wall Street forecasters weren't particularly bullish at the start of the year.