To Infinity and Beyond

By our third year, most of us will have learned to count. Once we know how, it seems as if there would be nothing to stop us counting forever. But, while infinity might seem like an perfectly innocent idea, keep counting and you enter a paradoxical world where nothing is as it seems.

Mathematicians have discovered there are infinitely many infinities, each one infinitely bigger than the last. And if the universe goes on forever, the consequences are even more bizarre. In an infinite universe, there are infinitely many copies of the Earth and infinitely many copies of you. Older than time, bigger than the universe and stranger than fiction. This is the story of infinity.

Available now

1 hour

Last on

Sat 10 Mar 2012 23:55

50 Years of Horizon Collection

50 Years of Horizon Collection
This programme is part a collection of BBC programmes specially chosen to celebrate Horizon's 50th anniversary.

 

Go to the BBC Four 50 Years of Horizon Collection

50 Years of Horizon - interactive ebook

50 Years of Horizon - interactive ebook
A free, interactive ebook designed for use on Apple, Android and Kindle tablets, and featuring clips from this selection of programmes as well as interviews with current Horizon presenters, is available to download at www.bbc.co.uk/horizon

Credits

Role Contributor
PresenterSteven Berkoff
DirectorStephen Cooter
ProducerAndrew Cohen

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Cat Watch 2014: The New Horizon Experiment

Cat Watch 2014: The New Horizon Experiment

Liz Bonnin and cat experts use GPS and cameras to follow cats in different environments.

Horizon interactive ebook

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Celebrate 50 years of Horizon with this free downloadable ebook for tablets.

Horizon archive collection

Horizon archive collection

Entire episodes chosen to celebrate the show's 50th anniversary, starting from 1964.

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