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Science

Essays and videos exploring physics, evolution, cosmology and other frontiers in science
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essay

Quantum theory

Quantum dialectics

When quantum mechanics posed a threat to the Marxist doctrine of materialism, communist physicists sought to reconcile the two

Jim Baggott

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video

Cosmology

Tiny, entangled universes that form or fizzle out – a theory of the quantum multiverse

11 minutes

Simulation of particle cloud with a dense yellow centre and three green regions on a black background. Bright blue dot at the very centre.
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essay

Quantum theory

We are not empty

The concept of the atomic void is one of the most repeated mistakes in popular science. Molecules are packed with stuff

Mario Barbatti

Abstract depiction of two galaxies, one on the left with spiral arms and bright centre, and one on the right with swirling patterns and luminous core.
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video

Physics

There’s a striking link between quantum and astronomic scales. What could it mean?

5 minutes

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essay

Quantum theory

Untangling entanglement

Why does the quantum world behave in that strange, spooky way? Here’s our simple, four-step explanation (no magic needed)

Huw Price & Ken Wharton

Illustration of a man crawling through two orange-framed mirrors, making it appear as if he is going in one and coming out the other.
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Quantum theory

All possible worlds

Long a matter of philosophical speculation, the idea of multiple realities has been given new artistic licence by physics

Timothy Andersen

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Quantum theory

All is One

The ancient philosophy of monism and the physics of quantum entanglement agree: all that exists is one unified whole

Heinrich Päs

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video

Quantum theory

Why aren’t our everyday lives as ‘spooky’ as the quantum world?

7 minutes

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video

Physics

The tangled tale of how physicists built a groundbreaking wormhole in a lab

17 minutes

A glowing black hole with a bright accretion disc in space, surrounded by stars and a distant planet against a dark, starry background.
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Cosmology

Cogitating black holes

The Universe cannot always be understood through observation. Instead, physicists explore by devising thought experiments

Michael Dine

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Mathematics

Imaginary numbers are real

These odd values were long dismissed as bookkeeping. Now physicists are proving that they describe the hidden shape of nature

Karmela Padavic-Callaghan

A black and white photograph of a shattered mirror, reflecting a blurry building and trees under a cloudy sky.
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essay

Quantum theory

Quantum Wittgenstein

Metaphysical debates in quantum physics don’t get at ‘truth’ – they’re nothing but a form of ritual, activity and culture

Timothy Andersen

Illustration of a quantum computer’s cryogenic refrigerator, featuring multiple gold and black layers with cables extending downwards.
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video

Computing and artificial intelligence

From ‘chandeliers’ to entangled qubits, here’s what happens inside a quantum computer

9 minutes

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video

Quantum theory

Mind-bending new quantum experiments are blurring past, present and future

10 minutes

Two people walking past The Bank of New York sign, which reads “Founded 1784,” engraved on a stone wall.
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Economics

A softer economics

Financial markets are entangled and uncertain. When will economists let go of physics envy to embrace the quantum revolution?

David Orrell

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History of science

Calculate but don’t shut up

The cliché has it that the Copenhagen interpretation demands adherence without deep enquiry. That does physics a disservice

Jim Baggott

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video

Physics

The Standard Model might be the most successful theory in science. But what is it?

16 minutes

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Physics

The unified Universe

Physics displays an uncanny alignment at its very deepest levels. Is a grand theory of everything finally within reach?

James Wells

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video

Physics

Time is fundamental, space is emergent – why physicists are rethinking reality

9 minutes

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Quantum theory

Quantum music

Physics has long looked to harmony to explain the beauty of the Universe. But what if dissonance yields better insights?

Katie McCormick

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video

Quantum theory

‘Moving paintings’ evoke a quantum particle collision at the Large Hadron Collider

4 minutes

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Biology

Life with purpose

Biologists balk at any talk of ‘goals’ or ‘intentions’ – but a bold new research agenda has put agency back on the table

Philip Ball

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Physics

From chaos to free will

A crude understanding of physics sees determinism at work in the Universe. Luckily, molecular uncertainty ensures this isn’t so

George Ellis

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video

Quantum theory

Quantum entanglement is tough to dumb down, but this analogy can help detangle it

20 minutes