The Magic Roundabout again on an LP "Pollux" in 1983 along with an original single "C'est moi Pollux". In the United Kingdom, the "Magic Roundabout" name has been given to the ring junction – a large road traffic circulation system with unconventional layouts – in Swindon and in Hemel Hempstead for example. The popularity of the TV show coincided with the introduction of such schemes and soon became associated with any complex traffic roundabout. Although the Swindon roundabout's original name was not the Magic Roundabout, it was almost always referred to as such by Swindon residents and in the late eighties, it was
Magic circle (mathematics) Magic circle (mathematics) Magic circles were invented by the Song dynasty (960–1279) Chinese mathematician Yang Hui (c. 1238–1298). It is the arrangement of natural numbers on circles where the sum of the numbers on each circle and the sum of numbers on diameter are identical. One of his magic circles was constructed from 33 natural numbers from 1 to 33 arranged on four concentric circles, with 9 at the center. Yang Hui's magic circle series was published in his "Xugu Zhaiqi Suanfa"《續古摘奇算法》 (Sequel to Excerpts of Mathematical Wonders) of 1275. His magic circle series includes: magic 5 circles in square,