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I could post my own explanation of why I said what I said, but it would merely be this one, more poorly worded. :-)

But for subject matter to be patentable, the patent must be sufficient to reduce to practice. In the movie it was just special effects, which is not sufficient to meet the reduce to practice threshold.

As an exercise, should you get a chance, could you read claim 1 and explain how it differs from a mechanism?