Weekend links 837

Tree Shadows on the Park Wall, Roundhay, Leeds (1872) by John Atkinson Grimshaw. • “In many cases, the rules of physics that apply in a real scene appear to be optional in a painting; they can be obeyed or ignored at the discretion of the artist to enhance the painting’s intended effect.” An extract from The Visual World of Shadows by Roberto Casati and Patrick Cavanagh, in which the authors examine some of the rule-breaking that takes place when artists are dealing with shadows in paintings. I mentioned this aspect of artistic licence in a recent interview, making the point that meticulously accurate light and shade is a tell-tale sign of AI art. • Orson Welles’ unfinished film of Don Quixote is back in the news again. Welles spent twenty years shooting scenes when he had the time and the money, and I seem to have spent an equivalent time reading about attempts to release the film. Any assembled footage will lack Welles’ bravura editing but I’d still like to see it. • Read an extract…