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New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

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.
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What is time? The mysterious essence of the fourth dimension

Physics

What is time? The mysterious essence of the fourth dimension

The true nature of time continues to elude us. But whether it is a fundamental part of the cosmos or an illusion made in our minds has profound implications for our understanding of the universe

Features

Could we ever go back in time? Relativity does not rule it out

Physics

Could we ever go back in time? Relativity does not rule it out

Features

Quantum boomerang

Physics

Physicists have made a quantum boomerang for the first time

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DNA

Physics

Is life the result of the laws of entropy?

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A stock image of crystals

Physics

A new kind of time crystal has been created and lasts 10 milliseconds

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A chip from Google's Sycamore quantum computer

Technology

Quantum computers proved to have ‘quantum advantage’ on some tasks

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A zinc sulfate crystal under polarised light

Technology

Quantum computers could create completely new forms of matter

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KHP6DT Airplane landing flying airport sun sunset vacation holidays travel traveling plane aircraft travelling

Physics

Why we can't always make sense of physics with words alone

Comment

Spiral galaxy and black hole, computer illustration.

Physics

Hot plasma mirror may help solve Stephen Hawking’s black hole paradox

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Fig. 2. Intensity and phase information of a simulated photonic toroidal vortex. a, Side view of three-dimensional iso-intensity profile of a photonic toroidal vortex. The colorful painting denotes the rotating spatiotemporal spiral phase ( ?r ,t ? ). The topological charge of the spiral phase is 1. The direction of local OAM density (jOAM) is marked with arrows. b, Front view of the iso-intensity profile of a photonic toroidal vortex

Physics

Whirlpools made of light can be twisted into the shape of a doughnut

Vortex rings, similar to smoke rings, have been observed in pulsing light before. Now, scientists have figured out how to make them on purpose with lasers, mirrors and special lenses

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Physics

Aliens could send us interstellar quantum messages using X-rays

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Video

Doctor Who Worlds of Wonder: The science behind the sci-fi

Video

Physics

Strange gamma ray flashes from lightning storms may have explanation

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Physics

Teleportation trick shows promise for a future quantum internet

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