About How Long is a Piece of String?

Comedian Alan Davies attempts to answer the proverbial question: how long is a piece of string? But what appears to be a simple task soon turns into a mind-bending voyage of discovery where nothing is as it seems.

How Long is a Piece of String?

The question maybe a proverbial one that’s applied to lots of different situations, but finding the real truth means that Alan has to seek help from some of the country’s top names in the fields of science and mathematics.

How Long is a Piece of String? trailer

An encounter with leading mathematician Marcus du Sautoy reveals that Alan's short length of string may in fact be infinitely long. When Alan attempts to measure his string at the atomic scale, events take an even stranger turn. Not only do objects appear in many places at once, but reality itself seems to be an illusion.

Ultimately, Alan finds that measuring his piece of string could – in theory at least – create a black hole, bringing about the end of the world. How Long Is A Piece Of String? doesn't quite bring the answer he expected…