“How long is a piece of string?” This seems to be a very simple question that can be answered easily. However, viewers of this 2009 BBC documentary soon learn how a seemingly “simple” question has an extremely complex answer.
Hosted by Alan Davies and Marcus du Sautoy, “How Long is a Piece of String” takes the audience on an eye-opening trip to the National Physics Laboratory in order to provide a concrete answer to this question. Various aspects science and math such as fractals, physics, and quantum mechanics also provide different answers raising even more questions. Different ways of answering the question is given but in the end, Alan still had to come to Marcus to find the answer.