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Physicists have worked out how to melt any material

A new equation shows a surprisingly simple relationship between pressure and the temperature needed to melt any solid substance into a liquid




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Peter Higgs, physicist who theorised the Higgs boson, has died aged 94

Nobel prizewinning theoretical physicist Peter Higgs has died aged 94. He proposed the particle that gives other particles mass – now named the Higgs boson and discovered by the Large Hadron Collider at CERN in 2012




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How Peter Higgs revealed the forces that hold the universe together

The physicist Peter Higgs quietly revolutionised quantum field theory, then lived long enough to see the discovery of the Higgs boson he theorised. Despite receiving a Nobel prize, he remained in some ways as elusive as the particle that shares his name




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Quantum 'supersolid' matter stirred using magnets

We can’t stir ordinary solids, but one research team now claims to have stirred an extraordinary quantum “supersolid”, generating tiny vortices




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Bizarre crystal made only of electrons revealed in astonishing detail

To capture the clearest and most direct images of a “Wigner crystal”, a structure made entirely of electrons, researchers used a special kind of microscope and two pieces of graphene unusually free of imperfections




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Physicists created an imaginary magnetic field in real life

Researchers have used quantum light to create a magnetic field with a strength that is measured in imaginary numbers




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Single atoms captured morphing into quantum waves in startling image

In the 1920s, Erwin Schrödinger wrote an equation that predicts how particles-turned-waves should behave. Now, researchers are perfectly recreating those predictions in the lab




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Quantum forces used to automatically assemble tiny device

The very weak forces of attraction caused by the Casimir effect can now be used to manipulate microscopic gold flakes and turn them into a light-trapping tool




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Nuclear fusion experiment overcomes two key operating hurdles

Two important barriers to a stable, powerful fusion reaction have been leapt by an experiment in a small tokamak reactor, but we don’t yet know if the technique will work in larger devices




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A new kind of experiment at the LHC could unravel quantum reality

The Large Hadron Collider is testing entanglement in a whole new energy range, probing the meaning of quantum theory – and the possibility that an even stranger reality lies beneath




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The galactic anomalies hinting dark matter is weirder than we thought

Cosmological puzzles are tempting astronomers to rethink our simple picture of the universe – and ask whether dark matter is even stranger than we thought




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Fusion reactors could create ingredients for a nuclear weapon in weeks

Concern over the risks of enabling nuclear weapons development is usually focused on nuclear fission reactors, but the potential harm from more advanced fusion reactors has been underappreciated




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Being in two places at once could make a quantum battery charge faster

The quantum principle of superposition – the idea of particles being in multiple places at once – could help make quantum batteries that charge within minutes




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Doughnut-shaped swirls of laser light can be used to transmit images

Ultra-fast pulses of laser light can be shaped into vortices similar to smoke rings – when chained together, they can carry enough information to transmit a simple image




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Why we are finally within reach of a room-temperature superconductor

A practical superconductor would transform the efficiency of electronics. After decades of hunting, several key breakthroughs are inching us very close to this coveted prize




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Sunlight-trapping device can generate temperatures over 1000°C

A solar energy absorber that uses quartz to trap heat reached 1050°C in tests and could offer a way to decarbonise the production of steel and cement




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Physicists are grappling with their own reproducibility crisis

A contentious meeting of physicists highlighted concerns, failures and possible fixes for a crisis in condensed matter physics




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X-ray laser fires most powerful pulse ever recorded

The Linac Coherent Light Source in California fired an X-ray pulse that lasted only a few hundred billionths of a billionth of a second but carried nearly a terawatt of power




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How quantum entanglement really works and why we accept its weirdness

Subatomic particles can appear to instantly influence one another, no matter how far apart they are. These days, that isn't a source of mystery – it's a fact of the universe and a resource for new technologies




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How indefinite causality could lead us to a theory of quantum gravity

Experiments show that effect doesn’t always follow cause in the weird world of subatomic particles, offering fresh clues about the quantum origins of space-time




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What are fractals and how can they help us understand the world?

Fractals are common in nature because of the surprisingly simple way they are made. Mathematically, they also help us make sense of complexity and chaos – and maybe even quantum weirdness




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Quantum to cosmos: Why scale is vital to our understanding of reality

From the vastness of the universe to the infinitesimal particles that comprise it, extremes of scale defy comprehension – and present a problem for physicists seeking a unified theory of everything




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Quantum 'arrow of time' suggests early universe had no entanglement

One way to explain why time only moves forward is the quantum arrow of time, and it has major implications for both the universe's early period and its eventual demise




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How the weird and powerful pull of black holes made me a physicist

When I heard Stephen Hawking extol the mysteries of black holes, I knew theoretical physics was what I wanted to do. There is still so much to learn about these strange regions, says Chanda Prescod-Weinstein




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Quantum time travel: The experiment to 'send a particle into the past'

Time loops have long been the stuff of science fiction. Now, using the rules of quantum mechanics, we have a way to effectively transport a particle back in time – here’s how




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Time may be an illusion created by quantum entanglement

The true nature of time has eluded physicists for centuries, but a new theoretical model suggests it may only exist due to entanglement between quantum objects




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Atoms at temperatures beyond absolute zero may be a new form of matter

Physicists have coaxed a cloud of atoms into having a temperature beyond absolute zero and placed them in a geometric structure that could produce an unknown form of matter




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How to wrap your mind around the real multiverse

Fictional portrayals of parallel universes are fun to explore, but the scientific view of the multiverse looks very different




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How materials that rewind light can test physics' most extreme ideas

Strange solids called temporal metamaterials finally make it possible to investigate the controversial idea of quantum friction – and push special relativity to its limits




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Liquid crystals could improve quantum communication devices

Quantum light is key to futuristic quantum technologies, but researchers have been creating it in the same way for 60 years – now liquid crystals offer an easier way to produce it




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Hybrid design could make nuclear fusion reactors more efficient

Two types of fusion reactor called tokamaks and stellarators both have drawbacks – but a new design combining parts from both could offer the best of both worlds




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What "naked" singularities are revealing about quantum space-time

Are points of infinite curvature, where general relativity breaks down, always hidden inside black holes? An audacious attempt to find out is shedding light on the mystery of quantum gravity




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Quantum ‘super behaviour’ could create energy seemingly from nothing

It should be possible to combine several quantum states, each with almost no energy, to create a single quantum state containing unexpectedly energy-rich regions




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Maxwell’s demon charges quantum batteries inside of a quantum computer

A technique to charge a battery inside a quantum computer relies on sorting qubits in an imitation of Maxwell’s demon, a 19th-century thought experiment once thought to break the laws of physics




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How physics is helping us to explain why time always moves forwards

While time is relative, it still flows in one direction for every observer. We don’t yet understand why, but some physicists are looking for answers that invoke the evolution of entropy, says Chanda Prescod-Weinstein




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Is the world's biggest fusion experiment dead after new delay to 2035?

ITER, a €20 billion nuclear fusion reactor under construction in France, will now not switch on until 2035 - a delay of 10 years. With smaller commercial fusion efforts on the rise, is it worth continuing with this gargantuan project?




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Physicists determined the paper most likely to give you a paper cut

An experiment with a robot and gelatine determined that 65-micrometre-thick paper is the most prone to slicing our skin – but it can also make for a handy recyclable knife




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Is it possible to fully understand the universe while living in it?

Through science, we are striving for objective knowledge about the universe around us. But physicists increasingly believe achieving this will never be possible




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Why this is a golden age for life to thrive across the universe

Almost all the stars that will ever exist have already been born, and they have been around long enough for life to evolve on planets that orbit them




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Are space and time illusions? The answer could lie in black holes

Whether space and time are part of the universe or they emerge from quantum entanglement is one of the biggest questions in physics. And we are getting close to the truth




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Incredibly complex mazes discovered in structure of bizarre crystals

The atoms within quasicrystals are arranged in repeating forms, but unlike ordinary crystals they have more complex symmetry. It turns out this makes them perfect for producing mazes




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Laser helps turn an electron into a coil of mass and charge

Researchers have reshaped single electrons into spiralling matter waves with distinct handedness that could be used to study and control materials




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You can turn any random sequence of events into a clock

A set of mathematical equations can help turn apparently random observations into a clock – and then measure its accuracy




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A microscopic diving board can cheat the second law of thermodynamics

Working with a tiny cantilever, physicists managed to violate the second law of thermodynamics, using less energy than expected to change the cantilever’s motion




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Take a look behind the scenes at the world's largest fusion experiment

Photographer Enrico Sacchetti captures the power and potential of ITER, an international nuclear fusion experiment currently under construction in southern France




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How to unsnarl a tangle of threads, according to physics

A jiggling robot has revealed the ideal vibrating speed to free jumbled fibres




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We may finally know what caused the biggest cosmic explosion ever seen

The gamma ray burst known as GRB221009A is the biggest explosion astronomers have ever glimpsed and we might finally know what caused the blast




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Nerve fibres in the brain could generate quantum entanglement

Calculations show that nerve fibres in the brain could emit pairs of entangled particles, and this quantum phenomenon might explain how different parts of the brain work together




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Particle physicists may have solved a strange mystery about the muon

A subatomic particle called the muon caused waves when its experimental behaviour didn't align with a prediction based on the standard model. A new calculation might resolve the discrepancy – but some particle physicists are sceptical




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Time travel sci-fi novel is a rip-roaringly good thought experiment

An ordinary-looking valley has a secret – each of its neighbours is 20 years removed in time. Scott Alexander Howard's debut is heartfelt and deeply enjoyable, says Emily H. Wilson