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Horizon - Season 46 Episode 17 How Long is a Piece of String?

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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. 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.

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First Air Date: Feb 04, 1964

Last Air date: Jul 22, 2024

Season: 60 Season

Episode: 1162 Episode

Runtime: 60 minutes

IMDb: 7.30/10 by 30.00 users

Popularity: 103.0208

Language: English

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