RRRAWRRR!!!  ZZZZZZTTTTT!!!  ZZZZAAAAPPPPP!!! The robots of the 50s and 60s science fiction movies and novels captured our hearts and our imaginations.  Their clunky, bulbous bodies with their clear domed heads, whirling antennae, and randomly flashing lights staggered ponderously across the screen and page and into our souls—whether as a constant companion or as the invading army threatening to exterminate our world.  We can never return to tha...