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Horizon - Season 46 Episode 17

Horizon 2009 -

Title: Horizon - Season 46 Episode 17
Genre: Documentary
Country: United States of America
Studio: BBC Two
Cast:
Crew:
Alternative Titles: BBC Horizon
Keyword:

Overview: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: Aug 18, 2025 Season: 61 Season Episode: 1170 Episode Runtime: 60:14 minutes Quality: HD IMDb: 3.6 / 10 by 33 users Popularity: 15.9893 Language: en

1. Why Are Thin People Not Fat?2009-01-26
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2. Cannabis: The Evil Weed?2009-02-03
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3. Why Do We Dream?2009-02-10
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4. Can We Make a Star on Earth?2009-02-17
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5. The Secret Life of Your Bodyclock2009-02-24
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6. What's the Problem with Nudity?2009-03-03
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7. How to Survive a Disaster2009-03-10
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8. Who Do You Want Your Child to Be?2009-03-17
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9. Why Can't We Predict Earthquakes?2009-03-24
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10. Alan and Marcus Go Forth and Multiply2009-03-31
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11. How Violent Are You?2009-05-12
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12. Do I Drink Too Much?2009-12-22
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13. The Secret You2009-12-22
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14. Fix Me2009-12-22
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15. Who's Afraid of a Big Black Hole?2009-12-22
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16. Why Do We Talk?2009-12-22
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17. How Long is a Piece of String?2009-12-22
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18. How Many People Can Live on Planet Earth?2009-12-09
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