<P> In South Korea, barber's poles are used both for actual barbershops and for brothels . Brothels disguised as barbershops, referred to as 이발소 (ibalso) or 미용실 (miyongsil), are more likely to use two poles next to each other, often spinning in opposite directions, though the use of a single pole for the same reason is also quite common . Actual barbershops, or 미용실 (miyongsil), are more likely to be hair salons; to avoid confusion, they will usually use a pole that shows a picture of a woman with flowing hair on it with the words hair salon written on the pole . </P> <P> A spinning barber pole creates a visual illusion, in which the stripes appear to be traveling up or down the length of the pole, rather than around it . </P> <Ul> <Li> The Swan portion of M17, the Omega Nebula in the Sagittarius nebulosity is said to resemble a barber's pole . </Li> <Li> Barber pole - like structures have been observed at the cellular level . The effects, origins and causes are controversial, and are subject to intense research . </Li> <Li> Matthew Walker's knot is a decorative knot said to vaguely resemble a section of a barber's pole . </Li> <Li> Sinosauropteryx (meaning "Chinese reptilian wing", in Chinese 中华 龙 鸟: zhonghua longniao) is the first genus of non-avian dinosaur found with the fossilized impressions of feathers, as well as the first non-avian dinosaur where coloration has been determined . It lived in China during the early Cretaceous period and was a close relative of Compsognathus . It was the first non-avialan dinosaur genus discovered from the famous Jehol Biota of Liaoning Province . Zhang found "that the filaments running down its back and tail may have made the dinosaur look like an orange - and - white - striped barber pole . Such a vibrant pattern suggest that' feathers first arose as agents for color display,' Benton says ." </Li> </Ul> <Li> The Swan portion of M17, the Omega Nebula in the Sagittarius nebulosity is said to resemble a barber's pole . </Li>

What is the meaning of the barber shop pole