Blade Runner celebrates its 40th anniversary today. Released in the summer of 1982, the film flopped at the box office, and wasn’t particularly well-received by critics. But through the intervening decades, Blade Runner’s reputation has grown, and it’s now considered a sci-fi classic. But the idea for the film came from a dark place, with author Philip K. Dick being inspired by a Nazi diary. Set in the (then) future of 2019, Blade Runner revolves around a former cop who now makes his living hunting and “retiring” powerful androids – or Replicants – who have been outlawed on earth. Directed...