For science fiction films may also be described as a popular mythology for the contemporary negative imagination about the impersonal. The other-world creatures that seek to take “us” over are an “it,” not a “they.” The planetary invaders are usually zombie-like. Their movements are either cool, mechanical, or lumbering, blobby. But it amounts to the same thing. If they are non-human in form, they proceed with an absolutely regular, unalterable movement (unalterable save by destruction). If they are human in form—dressed in space suits, etc.—then they obey the most rigid military discipline,
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