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Physics

See the latest physics news and expert analysis on dark matter, the multiverse, theoretical and particle physics, quantum theory, and more from the world of physics.

Physics

How do you recycle a nuclear fusion reactor? We’re about to find out

The UK's JET nuclear fusion reactor has been shut down after 40 years, and now researchers hope to repurpose many of its components in a world-first attempt at recycling a tokamak reactor

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Physics

Tiny magnet could help measure gravity on the quantum scale

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Cooling and storing aluminium cans

Physics

Odd quantum property may let us chill things closer to absolute zero

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Physics

A single atom could drive a piston in a quantum engine

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Illustration of altermagnetism in a chemical compound

Physics

The existence of a new kind of magnetism has been confirmed

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Physics

Quantum quirk explains why carbon dioxide causes global warming

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Physics

Why string theory has been unfairly maligned – and how to test it

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The Cheshire cat from Alice's Adventures in Wonderland

Physics

Quantum Cheshire Cat effect may separate a particle from its momentum

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abstract image of light

Physics

Einstein may be wrong about how mirrors travelling at light speed work

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Physics

UK nuclear fusion reactor sets new world record for energy output

In its final experiments before being shut down for good last year, the UK's JET reactor set a world record for the energy output of a fusion reaction

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Physics

Why physicists are rethinking the route to a theory of everything

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Physics

Nuclear fusion reaction releases almost twice the energy put in

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Physics

Record broken for the coldest temperature reached by large molecules

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Physics

A bold new take on quantum theory could reveal how reality emerges

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