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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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Cosmology
Tiny, entangled universes that form or fizzle out – a theory of the quantum multiverse
11 minutes
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Astronomy
The history of astronomy is a history of conjuring intelligent life where it isn’t
34 minutes
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Metaphysics
Simple entities in universal harmony – Leibniz’s evocative perspective on reality
4 minutes
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Biography and memoir
Passed over as the first Black astronaut, Ed Dwight carved out an impressive second act
13 minutes
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Engineering
A close-up look at electronic paper reveals its exquisite patterns – and limitations
9 minutes
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Cognition and intelligence
What’s this buzz about bees having culture? Inside a groundbreaking experiment
8 minutes
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Earth science and climate
The only man permitted in Bhutan’s sacred mountains chronicles humanity’s impact
22 minutes
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Cosmology
The Indian astronomer whose innovative work on black holes was mocked at Cambridge
13 minutes
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Astronomy
Seven years later, what can we make of our first confirmed interstellar visitor?
59 minutes