Magic Roundabout (Swindon) compromised safety. As a result, it is now planned to be converted back. Magic Roundabout (Swindon) The Magic Roundabout in Swindon, England, was constructed in 1972 and is a ring junction consisting of five mini-roundabouts arranged around a sixth central, anticlockwise roundabout. Located near the County Ground, home of Swindon Town F.C., its name comes from the popular children's television series "The Magic Roundabout". In 2009 it was voted the fourth scariest junction in Britain. The roundabout was constructed according to the design of Frank Blackmore, of the British Transport and Road Research Laboratory. Traffic flow around the larger, inner
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,