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245			_aHow Long Is A Piece Of String?
300			_aAlan Davies discovers that answering that question is much harder than he originally thought after visiting mathematician Marcus du Sautoy to help him find an answer. However, this creates more questions, which requires a trip to a place dedicated to measurement, the...
650			_xScience.
856			_uhttp://topdocumentaryfilms.com/how-long-piece-string/
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