“Uncanny Valley: Being Human in the Age of AI” opens at San Francisco’s de Young Museum, proposing “new ways of thinking about intelligence, nature, and artifice.” In showing works by Zach Blas, Ian Cheng, Simon Denny, Stephanie Dinkins, Trevor Paglen (image), Hito Steyerl, Martine Syms, and others, curator Claudia Schmuckli brings together essential artistic positions that parse the strange and unsettling intricacies of human-machine relations.