St Wilfrid's Church, Halton-on-Lune St Wilfrid's Church, Halton-on-Lune St Wilfrid's Church is an Anglican church in Halton-on-Lune, a village in the English county of Lancashire. It is an active parish church in the Diocese of Blackburn and the archdeaconry of Lancaster. Halton may have been the site of an ancient Anglo-Saxon minster. Of the current structure, the tower dates from the 16th century and the remainder was built 1876–77 by Paley and Austin. The church is recorded in the National Heritage List for England as a designated Grade II listed building. At the time of the Norman conquest of England in 1066, Halton was
Lune of Hippocrates Lune of Hippocrates In geometry, the lune of Hippocrates, named after Hippocrates of Chios, is a lune bounded by arcs of two circles, the smaller of which has as its diameter a chord spanning a right angle on the larger circle. Equivalently, it is a non-convex plane region bounded by one 180-degree circular arc and one 90-degree circular arc. It is the first curved figure to have its exact area calculated mathematically. Hippocrates wanted to solve the classic problem of squaring the circle, i.e. constructing a square by means of straightedge and compass, having the same area as a given