Would you believe it was 1863 when 27-year old novelist  Samuel Butler,  in an essay on Darwin Among the Machines, expressed serious concern that highly advanced machines might pose existential risks to humanity? The upshot is simply a question of time, but that the time will come when the machines will hold the real supremacy over the world and its inhabitants is what no person of a truly philosophic mind can for a moment question . In 1920, a play,  R.U.R . ( Rossum's Universal Robots ), by Czech author Karel Čapek, coined the term  robot .  They began to replace human workers, leading to a violent revolt against their  Homo sapien  masters.  Fritz Lang's 1927 film,  Metropolis , had humanoid robots fighting the capitalist oligarchy.  Click on that link to watch the entire 2 hour 29 minute production.  Fine quality, silent, of course, but with good audio sounds.  Portions of the original were lost, and only in 2008 found....