David Hockney and Robots: this week’s best UK exhibitions

Tate Britain hosts the latest retrospective of the influential Yorkshireman’s work, while the Science Museum tackles our obsession with automataWhen David Hockney splashed into the swinging 60s in a gold jacket and pop art spectacles, he made more impact on the public than any British artist since William Hogarth. With his confident, funny and sexy early paintings of gay life, he helped to change British society. Then he went to LA and became its definitive painter of brainless palm trees