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Scientists now have a fairly thorough understanding of the event known as the Big Bang, but what, if anything, came before it? According Tim Maudlin, professor of philosophy at New York University, modern cosmologists must consider two possibilities: that the universe was born of out nothing, or that the Big Bang was preceded by ‘another state’. However, both possibilities – that time simply began, or that an infinite amount of time has elapsed – provoke discontent among scientists and philosophers, which leaves the door open for a range of competing theories.
Interviewer: Nigel Warburton
Producer: Kellen Quinn
Editor: Adam D’Arpino
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History of science
Ideas ‘of pure genius’ – how astronomers have measured the Universe across history
29 minutes
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Values and beliefs
Why a single tree, uprooted in a typhoon, means so much to one man in Hanoi
7 minutes
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Meaning and the good life
Why Orwell urged his readers to celebrate the spring, cynics be damned
11 minutes
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Making
On the Norwegian coast, a tree is transformed into a boat the old-fashioned way
6 minutes
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Animals and humans
One man’s quest to save an orphaned squirrel, as narrated by David Attenborough
14 minutes
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Computing and artificial intelligence
A future in which ‘artificial scientists’ make discoveries may not be far away
9 minutes
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History
Hags, seductresses, feminist icons – how gender dynamics manifest in witches
13 minutes
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Earth science and climate
Images carved into film form a haunting elegy for a disappearing slice of Earth
3 minutes
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Meaning and the good life
Leading 1950s thinkers on the search for happiness in trying times
29 minutes