A key theme in Blade Runner is that it portrays postmodernism throughout the film by blurring the differences between real and artificial, in the film there is a scene where Rick questions Leon for see if he can provoke emotions to determine whether he is a replicant or a human, which shows that no one truly has a clear understanding of what is real. Blade Runner also touches on the theme of space-time compression not only through the presence of flying machines that decrease the time needed to get anywhere, providing information and traveling much faster, but also extending the lifespan of replicants to just four years. less relevant time due to the amount of life they have to do in a fifth of a human's life. The theme of creative destruction is also shown in a scene where they explain what the blade runner is and how his job is to capture and "retire" the replicants because they have started to rebel and they have to make sure they don't become pure