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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

Gravitational waves produce a background hum across the whole universe

After decades of searching, astronomers have found a distinctive pattern of light, from spinning stars called pulsars, that suggests huge gravitational waves are creating gentle ripples in space-time across the 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?

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Illustration of particles and their wave functions

Physics

Fundamental law of physics demonstrated using quantum objects

The principle of least action has been a key law of physics since the 18th century, but has only now been directly observed in the quantum realm thanks to an experiment with single particles of light

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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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Physics

Emergence: The mysterious concept that holds the key to consciousness

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