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Energy is like children’s toys: often hiding out of sight, but never actually lost
Energy can’t be created or destroyed, but that doesn’t mean it doesn’t end up hiding in some surprising places. Aided by Cubism-inflected animation and a clever analogy thought up by Richard Feynman, the chemist and broadcaster Andrea Sella, professor of inorganic chemistry at University College London, explains how scientists can infer the distribution of energy ‘in cunning ways’ without actually observing it.
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History of science
How we came to know the size of the Universe – and what mysteries remain
26 minutes
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Art
Defying classification, fantastical artworks reframe the racism of Carl Linnaeus
8 minutes
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History of science
Meet the Quaker pacifist who shattered British science’s highest glass ceilings
14 minutes
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Oceans and water
A stunning visualisation explores the intricate circulatory system of our oceans
5 minutes
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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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Computing and artificial intelligence
A future in which ‘artificial scientists’ make discoveries may not be far away
9 minutes
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Biology
Butterflies become unrecognisable landscapes when viewed under electron microscopes
4 minutes
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Metaphysics
What do past, present and future mean to a philosopher of time?
55 minutes
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Computing and artificial intelligence
Why large language models are mysterious – even to their creators
8 minutes