In today's technological universe, most science fiction films and
            
 texts, being "the only literature capable of exploring the macro-history of
            
 our species. . . in a cosmic context" (Franklin, Internet), are structured
            
 on hard science and research and contain machines or other devices which
            
 are quite recognizable in form and shape to the general viewing audience.
            
 But this has not always been the case, for in a number of science fiction
            
 films produced in the early days of Hollywood and well into the late
            
 1950's, the portrayal of mechanical devices, such as robots, weapons,
            
 communications instruments and navigational aids, not to mention certain
            
 theories or ideas concerning radiation and power sources, were based on
            
 pure speculation and hypothesis with a grain of engineering ingenuity added
            
 for good measure. Some of these devices and ideas were well ahead of their
            
 time, but most were either ill-conceived or based on pseudo-science, being
            
 unscientific in nature. Three films stand out as prime examples of the
            
 application of "bad engineering"â€"Metropolis (      1926), directed by Fritz
            
 Lang; The Invisible Ray (1936), directed by Lambert Hillyer, and Forbidden
            
 Planet (1956), directed by Fred MacLeod Wilcox.
            
       According to Erica Hawkins, Metropolis is a showcase for Lang's
            
 visual prowess and relies upon "innovative visual imagery that was well
            
 ahead of its time," which is highlighted by the film's scenario of "a robot-
            
 like society controlled by an evil super-industrialist" (Internet, 2004).
            
 In essence, Metropolis, set in the year 2026, relates the tale of a future
            
 supercity where the workers spend a zombie-like existence working
            
 underneath the city, running the machines that keep it alive and that allow
            
 the elite city masters to frolic in reckless abandon. These tyrannical
            
 industrialists also live in absolute splendor, while the workers live
            
                         ...