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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

A single atom could drive a piston in a quantum engine

In a quantum engine, a single atom can emit radiation that bounces around a reflective cavity and creates enough pressure to push down a piston

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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

Features
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

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Theory of everything and geometry

Physics

Why physicists are rethinking the route to a theory of everything

Features
Rendering of 192 laser beams as they reach the target in the center of the National Ignition Facility鈥檚 Target Chamber

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

Four-atom molecules glued together by microwaves have broken the record for being the most complicated molecule to reach temperatures just billionths of a degree away from absolute zero

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Physics

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

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Physics

Heating and cooling seem to be fundamentally different, not opposites

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Physics

Scientists created a 鈥榞iant quantum vortex鈥� that mimics a black hole

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Physics

Why we should all be concerned about the shortage of science teachers

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