As the number of HD channels and their growing content become ubiquitous in America, it's increasingly more difficult to impress viewers with HD images. Yet anyone who may have caught the recent telecast of the documentary "WWII in HD," an A&E production that aired on the History Channel, might note how uncanny (almost eerie) it was to see both newly recovered and newly restored footage of events in HD that TV and movie viewers have been seeing (in lesser technical form) for seven decades.

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