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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.

Quantum superposition or quantum entanglement concept illustration. Superposition is the ability of a quantum system to be in multiple states at the same time until it is measured. Quantum entanglement is a physical phenomenon that occurs when pairs or groups of particles are generated or interact in ways such that the quantum state of each particle cannot be described independently.

Physics

Rethinking reality: Is the entire universe a single quantum object?

In the face of new evidence, physicists are starting to view the cosmos not as made up of disparate layers, but as a quantum whole linked by entanglement

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Physics

Gravitational waves produce a background hum across the whole universe

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A simulation of gravity showing curved space-time. The ball represents the sun and is resting on a sheet of plastic that stretches under its weight. The curved sheet of plastic demonstrates the way a gravity curves space.

Physics

The massive problem of trying to fully explain what mass actually is

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Physics

Scandium superconducts at the highest temperature for a pure element

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Physics

Extremely cold drop of helium can be levitated forever

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Quantum computers could be built that are based on sound

Physics

Sound-based quantum computers could be built using chip-sized device

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The are thosands of small pieces of junk orbiting Earth (as well as thousands of satellites)

Physics

Quantum sensors could detect space debris from its gravitational pull

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Sunlight coming out of the optical fibre

Physics

Sunlight could cool an atom to its coldest possible temperature

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Physics

Nuclear clocks could be the best timepiece in the universe

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Physics

Can recreating black holes in the lab solve the puzzles of space-time?

Researchers are building models of everything from black holes to the big bang in tanks of liquid. Now some claim these surprisingly simple models are showing us where our theories of space-time are wrong

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Physics

Fundamental law of physics demonstrated using quantum objects

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Physics

AI can work out how quantum computers stack up to one another

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Physics

Superconducting qubits have passed a key quantum test

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Physics

How we could discover quantum gravity without rebuilding space-time

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