This is a special feature about Frequency, on the DVD of said movie. It details the actual, proved facts that they based the events and ideas on. I was personally surprised by just how much of the material in the film was very thoroughly looked into. This is comprised of five different areas, and they can each be viewed separately, as documentaries by themselves. It starts with Solar Science, by far the most intellectual of them, and one that hopefully won't deter people from the rest, which are all easily accessible. The second is Ham Radios, dealing with the pre-internet activity, and an interesting piece. It goes on with Time Travel and Theoretical Physics, a real treat for us sci-fi fans. Fourth we have Fighting Fires, highly informative on the job and the people. Finally, there is Creating Natural Phenomena for Film, essentially going over some of the visual effects. All are well-edited, and have interviews with experts within the fields, and these are almost invariably understandable by someone without a P.h.D., and a regular joe can follow it. None of them are subtitled. The total length is around 36 minutes. I recommend this to anyone who wants to know more about the concepts and FX of the title. 7/10
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