simming took room networked computers called “render farmâ€ 14 months taken single machine 16 years churn digital scenes precisely modeled real life mr weigert mr engel said artists positioned sun virtual sky dictated surface—metal glass wood stone—would reflect rays cast shadows teams installed virtual hinges lampposts etched thousands fault lines skyscrapers houses simulated tremors winds waves applied process called “simmingâ€ they’d crumble buckle natural looking ways bibliographic information