Last night, a concert in the Spitalfields Music Winter Festival, entitled “This year’s midnight”, given by the viol group Fretwork and the mezzo-soprano Clare Wilkinson, with readings by the actor Simon Callow. The title is taken from a poem “A … Continue reading
Posted in geography, mathematics and ...
Tagged analemma, angular momentum, Clare Wilkinson, Diamond Geezer, equation of time, Fretwork, John Donne, Julian Barbour, Kepler's Laws, Mach's principle, sidereal day, SImon Callow, solar day, Spitalfields Music, St Lucy's Day, winter solstice
A common caricature of the view of the mediaeval scholastics is that they wondered whether the number of angels who can dance on the head of a pin is infinite or not. In fact, this calumny was invented much later. … Continue reading