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CERN upgrade: Inside the world's largest scientific experiment

The world's largest particle smasher is due an upgrade, but is there anything left to discover?

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A once-fantastical collider could answer physics’ biggest mysteries

The muon collider was once dismissed as impossible, but is now gaining steam as the successor to the Large Hadron Collider. If built, it could offer a new window to reality 

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How a century-long argument over light’s true nature came to an end

Two of the forefathers of quantum theory, Albert Einstein and Niels Bohr, had a famous argument over whether light is a wave or a particle. Columnist Karmela Padavic-Callaghan finds that the matter has...

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Particles seen emerging from empty space for first time

By tracing the origins of an unusual, short-lived particle, researchers have gathered some of the strongest evidence yet that mass can emerge from fluctuations in the vacuum

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Quantum entanglement can be measured in solids for the first time

A method that relies on hitting materials with neutrons can measure how much quantum entanglement hides within them, which could enable new kinds of quantum technology

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Physicists resolve a long-standing puzzle over the size of a proton

Two extremely precise experiments agree with a previously shocking measurement of just how big the proton is, which may help future searches for new particles

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Quantum batteries could be charged by reversing time

Physicists have shown how time can effectively be reversed for some quantum systems, which would allow for new ways to harvest energy

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The invisibility cloak inventor now has better tricks up his sleeve

John Pendry is known for creating an invisibility cloak. Twenty years on, he has used the same principles to fashion an even more powerful kind of metamaterial that can teach us about the wild...

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We're solving the fundamental mystery of how reality is glued together

For decades, scientists have tried and failed to explain how the force that binds the heart of atoms together really works. But new mathematical tools are finally prising the problem open

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The man who crawls into the perilous heart of the Chernobyl reactor

Ever since the Chernobyl nuclear reactor exploded in 1986, scientists have needed to monitor radioactive conditions inside. That job currently falls to Anatoly Doroshenko, who explains the dangers and...

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The stunning physics of Project Hail Mary go back to ancient China

How do you portray momentum in space accurately? Columnist Chanda Prescod-Weinstein takes a look at the origins of our understanding of motion, which runs from Isaac Newton back to the Zhou dynasty a...

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Exclusive report: Inside Chernobyl, 40 years after nuclear disaster

New Scientist reporter Matthew Sparkes secured unrivalled access to Chernobyl's most crucial scientific sites, where researchers are fighting to protect the area and ensure it remains safe amid the...

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The biggest threat to Chernobyl is no longer radiation

Forty years after the world’s biggest nuclear disaster, the safety of Chernobyl hangs in the balance – though not because of the radiation risk

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Diamonds are surprisingly elastic when you make them tiny

Experiment with nanodiamonds reveals that they are less rigid than other diamonds, adding to our understanding of how they could be used in new technologies

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Why quantum physics says there’s a multiverse

Most people think the multiverse is just about "what-if" scenarios – other versions of you where you took that job in another city or turned left instead of right. But to a physicist, the multiverse...

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QBox theory may offer glimpse of reality deeper than quantum realm

Physicists have long suspected that there is a layer of physical reality beneath quantum theory and a new mathematical model unveils just how strange it might be

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Gravity's strength measured more reliably than ever before

Measuring the strength of gravity is extraordinarily difficult, and different experiments have always disagreed – but a new test is paving the way to finally understanding nature’s most enigmatic force

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This mesmerising Cornish time-travel film is not to be missed

A seaside town is devastated when a small fishing boat, the Rose of Nevada, disappears at sea. Thirty years later, the boat reappears in the harbour and sets off a moving story, says Bethan Ackerley

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We need more radioactive drugs. Can we make them from nuclear waste?

The rise of a new generation of radiotherapies means we will soon need much greater quantities of radioactive atoms. That's why companies are scrambling to refine them from all manner of radioactive waste

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Weird 'transdimensional' state of matter is neither 2D nor 3D

An experiment with a carbon material in a magnetic field has revealed a novel way for electrons to move, which doesn't fully belong in two or three spatial dimensions

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We have figured out a new way to send messages into the past

A technique inspired by the film Interstellar suggests a new way of communicating backwards in time, but it could help improve conventional communication systems as well

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An unorthodox version of quantum theory could reveal what reality is

The implications of quantum mechanics suggest reality isn't as solid as we think it is, but physicist David Bohm had a spin on the theory that restores reality. Columnist Karmela Padavic-Callaghan...

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Is consciousness more fundamental to reality than quantum physics?

The idea that everything that exists can be built from the bottom up has long held sway among physicists. Now, a new kind of science is under construction that centres conscious experience – and might...

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300-year-old experiment could become world's best dark matter detector

An update to an experiment run by Henry Cavendish in 1773 could be a cheaper and faster way to spot a potential dark matter particle – and may be 10,000 times more sensitive

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Frank Close: Finding the building blocks of the universe

Over the past century, we have peeled back the layers and uncovered more about the make-up of subatomic particles than ever before, culminating in 2012 with the discovery of the Higgs boson. Frank...

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Pressure from individual particles measured for the first time

A device made using a tiny bead floating in a beam of light can measure extremely small pressures and could help find a mysterious kind of neutrino

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The 50-year quest to create a quantum spin liquid may finally be over

Creating quantum entanglement inside a solid material is tricky in the lab – but crystals buried in the earth could be growing it naturally. Now one scientist says he has proof he’s found them

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Why do particle physicists like spending time in fields?

The concept of a field plays a key role in particle physics, but what exactly is it? From its origins in the study of magnetism to the quantum fields of today, columnist Chanda Prescod-Weinstein goes...

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Where did the laws of physics come from? I think I've found the answer

The rules governing gravity and other laws of nature seem like eternal truths, but cosmologist João Magueijo has always questioned their origins. Now, he has a bold new proposal

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Science doesn't have a monopoly on good ideas

Scientific disciplines often shy away from asking fundamental "what if" questions. But philosophy – if unencumbered by dogma or ideology – has much to offer evidence-based enquiry

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Odd “butterfly” molecule could lead to new parts of the quantum realm

An exotic new molecule is shaped like a butterfly, complete with "wings" made from electrons. The discovery could provide a gateway to completely new parts of the quantum realm

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Photos reveal unexpected details from the world's first atomic test

Previously classified photos and documents show the scientific work that went into the world's first atomic test in 1945 – a test that, just weeks later, would see nuclear bombs dropped in Japan

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Does gravity create reality? A shocking path to a theory of everything

A rewrite of quantum mechanics that includes the force of gravity could finally achieve one of physicists’ biggest goals and reveal the ultimate fuzziness of time

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We may finally know why gold stays so shiny

Gold is chemically inert and so doesn't tarnish, but exactly why had been a mystery

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The day quantum computers break the internet

For years, Q-Day seemed like something from science fiction, but could the day quantum computers break the internet's encryption be closer than we think?

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First quantum grandfather clock could probe where gravity comes from

Researchers have designed a quantum version of a pendulum clock. It could shed light on timekeeping in the quantum realm

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Photons behave very strangely if you try to cut them

Particles of light cannot be divided into smaller particles, but if you try to snip off the end of one, instead of shortening it multiplies

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CERN’s new chief on the gamble that could fix our picture of reality

Mark Thomson has taken the reins at CERN just as particle physics confronts some of its deepest unknowns – and faces hard choices about what comes next

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Why we should all take quantum physics extremely personally

Physics is considered a cold, hard science – but it will transform your life if you view it with a bit more subjectivity, says Karmela Padavic-Callaghan

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Toy universe shows that time could be a quantum illusion

An experiment with a toy universe made up of extremely cold atoms shows how time can emerge from quantum interactions, instead of existing by default

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First working nuclear clock heralds a new era in timekeeping

A clock based on radioactive thorium atoms realises a long-held ambition, demonstrating a technology that could eventually beat the accuracy of today’s best atomic clocks

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At CERN's Antimatter Factory, scientists probe the mysteries of matter

Inside the Antimatter Factory at CERN, scientists are answering one of the oldest questions in science: Why is there something instead of nothing?

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A quantum state that lasts forever may finally be within our grasp

Defying the laws of thermodynamics, experiments are beginning to show that a quantum state that is frozen forever might not be impossible. If we can tame it, it could unlock whole new types of matter

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Sean Carroll: uncovering the mysteries of quantum mechanics

Physicist Sean Carroll explores some of the deepest mysteries in quantum mechanics: the famous double-slit experiment, wave function collapse, the Many Worlds interpretation, entropy and the arrow of time

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The weirdness of neutrinos could completely rewrite particle physics

A philosopher has put forward an argument for rethinking how particles are defined within the standard model of particle physics

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Random wobbles in time could finally solve gravity’s greatest mystery

The question of how gravity interacts with the quantum world has long perplexed physicists, but a non-quantum theory of space-time could present an answer

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The strange metals forcing us to rethink how electricity really works

Some 40 years ago, physicists noticed certain metals were conducting electricity in a bizarre way no one could explain. New answers to how and why this happens are forcing us to question how...

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Does time come from the entire universe running computations?

Explaining the passage of time has been a gnarly problem in physics basically forever, but physicist and computer scientist Stephen Wolfram has a radical proposal for where it comes from. He discussed...

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The physicist trying to solve the gravity question

Ivette Fuentes is a professor of quantum mechanics who conducts experiments at the scales where quantum theory and general relativity interplay

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Mathematics of thermodynamics is being rewritten after 200 years

The laws of physics that concern heat and work could gain a firmer mathematical footing thanks to “gauge theory”, which already helps us understand quantum fields

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