Blade Runner is one of the most iconic sci-fi films ever made, but just how different is it than the book that inspired it, Philip K. Dick's Do Androids Dream of Electric Sheep? Here are all the differences between the movie and the book: | IGN

One of the most iconic moments in Ridley Scott’s Blade Runner (1982) is the Voight-Kampff test. Designed to detect replicants, it doesn’t just ask questions. It carefully measures micro-reactions in the eyes and face. On screen, you see the subject’s pupil contracting, iris movements, and subtle facial twitches. These tiny reflexes reveal emotional responses that a replicant supposedly cannot produce like a human. Fun fact: the test is entirely fictional, but it inspired many biometric and eye-t