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Google hits back at IBM's quantum supremacy challenge

Google engineers have spoken out about their claims of quantum supremacy, questioning IBM’s challenges and revealing some of their big plans for coming years




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Google's qubit rivals: The race to useful quantum computers has begun

Google recently claimed to have achieved quantum supremacy, but many companies are still hoping their own quantum computers will soon overtake Google's




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Quantum supremacy: Will quantum computers break the internet for good?

Google’s claims of quantum supremacy have some people worried that the internet is now broken. Here's what the development actually means for cybersecurity




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Quantum supremacy: What can we do with a quantum computer?

Quantum computers could be used to crack open chemistry's most elusive problems or help to create new medicines




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Timeline: A brief history of quantum computing from 1980 to 2100

Here are the key milestones in the history of quantum computing, as well as New Scientist's predictions for the future 




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Amazon enters quantum computing race with cloud quantum processors

Amazon has combined three types of quantum computing processors from D-Wave Systems, IonQ, and Rigetti Computing into a cloud service to test quantum algorithms




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In the quantum world, uncertainty reigns – or is it all in the mind?

Schrödinger's dead-and-alive cat embodies the uncertainty of the quantum world. But whether parallel realities truly exist is a question less of science than belief




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Heat can quantum leap across a totally empty vacuum

Even a total vacuum is full of strange quantum fluctuations, which have now been caught making heat leap across empty space for the first time




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Google has performed the biggest quantum chemistry simulation ever

Google's Sycamore quantum computer, which recently demonstrated its dominance over ordinary computers, is now breaking records in quantum chemistry




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Quantum computer sets new record for finding prime number factors

A relatively small quantum computer has broken a number-factoring record, which may one day threaten data encryption methods that rely on factoring large numbers




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Google’s quantum supremacy algorithm has found its first practical use

Google has put the algorithm it used to achieve quantum supremacy to work. It generated verifiably random numbers, which could be used one day in encryption or lotteries




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Strange particles found in Antarctica cannot be explained by physics

A NASA science balloon picked up two high-energy particles and a new analysis reveals that they can't be explained by the standard model of particle physics




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In the quantum realm, cause doesn’t necessarily come before effect

In everyday life, causes always precede effects. But new experiments suggests that no such restriction applies in the quantum world




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This tiny glass bead has been quantum chilled to near absolute zero

A glass bead has been brought down to its coldest possible quantum state using a new method that may one day allow us to observe an object in two places at once




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Photon trick lets you bend the rules of quantum physics

A basic rule of quantum physics is that knowing too much about an experiment will break quantum interference, but now physicists have discovered a way to bend that rule




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Record-breaking quantum memory brings quantum internet one step closer

A communications network secured by the laws of quantum physics would be unhackable, but building one requires a component called a quantum memory, which is still being developed




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Don't miss: Emotional veg, antique innovations and spooky maths

This week, hide behind the sofa from mind-altering plants, listen and learn from technologies past and find out how the world is underpinned by numbers




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Antimatter looks just like matter – which is a big problem for physics

A difference in the properties of matter and antimatter could help explain our universe – but a property called the Lamb shift is similar in particles of both




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The antimatter factory about to solve the universe's greatest mystery

Why is there something rather than nothing? We’re finally making enough antimatter to extract an answer – and it might reveal the dark side of the universe too




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How quantum computing got a boost from an experiment in a cornfield

In a cornfield in India, Urbasi Sinha ran an experiment that may challenge the rules of quantum mechanics and paves the way for higher dimensional quantum computing




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How a new twist on quantum theory could solve its biggest mystery

The "wave function collapse" transforms vague clouds of quantum possibilities into the physical reality we know – but no one knows how. New experiments are finally revealing reality in the making




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Neutrinos may explain why we don’t live in an antimatter universe

For the universe to exist as it does now, there must have been an imbalance between matter and antimatter early on, which may have been caused by neutrinos




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Dutch restaurant trials glass booths for dining amid coronavirus

A Dutch restaurant has come up with an idea on how to offer classy outdoor dining in the age of coronavirus: small glass cabins built for two or three people, creating intimate cocoons on a public...




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Slovenian cyclists stage anti-government coronavirus protest

Thousands of cyclists took over streets in the center of the Slovenian capital Ljubljana on Friday evening to protest against the government of Prime Minister Janez Jansa and the restrictions it has imposed to fight the coronavirus.




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Train in India kills at least 16 migrant workers

Police in India's western Aurangabad district have returned the bodies of 16 migrants killed by a train on Friday, to their home towns. Ciara Lee reports




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Replanting the Amazon

Local NGOs are working hard to plant seedlings over thousands of square miles of deforested land in Brazil.




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Monsanto pesticide blamed for major U.S. crop damage

A Reuters examination has found that widespread crop damage covering millions of acres of Midwestern farmland has its roots in weak regulatory oversight and corporate secrecy.




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Mummified skin suggests duck-billed dinosaurs were grey like elephants

The mummified remains of a duck-billed dinosaur contain a grey pigment, suggesting it was grey, although other pigments may have been lost during fossilisation




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Why fun is so important and how we benefit from play

How do you get to be a professor of play? Paul Ramchandani on fun, why playing is good for people of all ages and what games he plays with his kids




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Strange spider-shaped microorganisms could be our distant ancestors

Since the discovery of Asgard archaea in 2015, evidence has mounted that these peculiar single-celled organisms could be the source of all complex life – including us




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Dinosaur tracks seem to show giant sauropods wading on two front legs

Sauropod dinosaurs grew to 25 metres or more in length and weighed several tonnes – but footprints in Texas seem to suggest they sometimes walked on just two legs




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Millions of hairy tarantula skins could be used to mop up oil spills

The dense, bristly hairs on the skins shed by tarantulas when they moult are naturally efficient sponges and could be used to soak up ocean oil spills




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Cretaceous insect discovered with extremely weird antennae

Amber from the Cretaceous period trapped a leaf-footed bug with extremely long and wide antennae, which may have helped disguise the insect or confuse predators




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Some ants disinfect food by drinking the acid they spray at enemies

A number of ant species produce acid in a poison gland in their abdomen to spray at enemies, and now it seems they also drink it to kill pathogens in their food




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Billion-year-old fossil seaweeds could be ancestors of all land plants

Green seaweed fossils found in a billion-year-old rock are the oldest complex plants discovered, and may have given rise to plants that evolved to live on land




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This desert ant can run at the equivalent of 600 kilometres per hour

Desert ants zigzag around the searing sand at high speed but they always manage to find their way home. A new book explains their amazing abilities




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World's only known pink manta ray spotted in the Great Barrier Reef

This pink manta ray, nicknamed Clouseau, has resurfaced off Australia’s coast. No one knows why it has a bubble-gum pink underside or if there are others out there




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Every Arabica coffee plant may come from a single common ancestor

Genetic analysis suggests all Arabica coffee plants are descended from a single common ancestor, and this lack of genetic diversity makes them vulnerable to extinction




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Little Joe review: We should worry about these mind-bending plants

The plot of sci-fi movie Little Joe may sound like it plays to powerful 1990s anti-GM fears but bigger issues like human freedom may really be at stake




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Gas leak at LG Polymers plant in India kills at least 9

A gas leak at an LG Polymers plant in India has been brought under control, and the company is investigating the cause of the deadly accident and the extent of the damage, South Korea's LG Chem, the owner of the plant, said in a statement.




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Slovenian cyclists stage anti-government coronavirus protest

Thousands of cyclists took over streets in the center of the Slovenian capital Ljubljana on Friday evening to protest against the government of Prime Minister Janez Jansa and the restrictions it has imposed to fight the coronavirus.




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Biodiversity in crisis: Earth’s giant construction projects mapped out

The planet’s largest areas of undisturbed wilderness in Siberia and tropical rainforests are under threat from huge waves of development. Here’s what it looks like




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Front-runner in Brazil’s election wants to pull out of climate treaty

The far-right winner of the first round of Brazil's presidential election wants to withdraw from the Paris climate agreement and cut down the Amazon rainforest




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Huge fossil-like scars of the Anthropocene mark walls of Russian mine

Vast machines have left the subterranean world of a potash mine in the Urals with ammonite-like whorls, photographed for a project to highlight lasting human impacts on the planet.




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Anthropocene review – tough film makes case for human-created epoch

From Kenyan children picking through plastic waste to swathes of Germany laid waste for coal mining, a film shows why we are in a new, human-created epoch




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Antarctica team to search world's oldest ice for climate change clues

Scientists are setting out to drill for the world’s oldest ice, in a bid to shed light on a dramatic tipping point in the world’s climate 900,000 years ago




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Don’t miss: Earth from space, asteroid workouts and nature’s giants

Watch a new series charting our planet from above, read all about the biggest living things, fend off space rocks for fun, plus more picks for your diary




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Cannabis plant evolved super high (on the Tibetan Plateau)

An analysis of pollen suggests cannabis evolved on the Tibetan Plateau, not far from a cave that was frequented by our ancient Denisovan cousins




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Want to stop climate change? Jared Diamond says nations need therapy

In his new book Upheaval, polymath Jared Diamond says nations need a special kind of therapy to solve big problems like climate change, Brexit and nuclear proliferation




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Radioactive dust in Antarctic ice could help map interstellar clouds

Interstellar dust has been found in Antarctic snow samples. The discovery could provide a way of mapping the clouds of dust Earth has passed through in space