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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

‘Dark photon’ theory of light aims to tear up a century of physics

One of the most famous findings in physics could be wrong 鈥� the double-slit experiment was long thought to confirm that light can be a wave, but its results can be fully explained using only quantum particles

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The ‘impossible’ particle hinting at the universe’s biggest secrets

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First ever ‘black hole bomb’ created in the lab

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Liquid Gold Anna Curran Department of Mathematics A lattice of bubbles inside a ring that has been dipped in soapy water. The bubbles hold their shape because of molecules in the dish soap called surfactants, which stabilise the interface. Surfactants are all around us - for example, they allow soap to break down dirt and bacteria, and they are given to premature babies to help them inflate their lungs. Conversely, they threaten the efficacy of various industrial applications such as self-cleaning surfaces and laptop cooling systems. My research focuses on mathematically modelling the effect of these molecules at a f luid interface, in order to gain a greater understanding of how to control their behaviour in these applications.

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Photography contest spotlights the beauty of science in vivid detail

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Ultra-secure quantum data sent over existing internet cables

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LHC breaks the record for heaviest antimatter nucleus ever seen

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Abstract prism of light references quantum properties
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Five physicists discuss the achievements and future of quantum theory

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2G4A579 3D visualization of gravity distorsion, physical objects in orbit, space, general theory of relativity, law of universal gravitation, scientific

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Why I still love reckoning with the quantum gravity problem

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Quantum computer circuitry illustration. Conventional computers store information as 'bits', with each transistor holding either a 1 or a 0. Quantum computers use quantum bits, or qubits, which operate according to two principles of quantum physics. One of the principles, supposition, allows a qubit to store a 1 and a 0 at the same time. This means two qubits can hold four values at once. The second principle, entanglement, means that the state of one qubit can depend on the state of another. As you expand the number of qubits, the machine becomes exponentially more powerful.

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Quantum theory at 100: Let鈥檚 celebrate its power and provocation

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Where exactly does the quantum world end and concrete reality begin?

Quantum effects like superposition and entanglement have long been seen in single particles, but physicists are on a quest to find out just how big an object can be before it loses its quantumness

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Could the ancient Greeks have invented quantum theory?

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What exactly would a full-scale quantum computer be useful for?

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Carlo Rovelli on what we get wrong about the origins of quantum theory

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What does quantum theory really tell us about the nature of reality?

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