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Quantum computing

Quantum computing
Latest news, features and opinion on Quantum computing.
Chinese researchers say a small-scale quantum system can outperform large AI data centres at less than 1 per cent of the cost. Photo: Shutterstock Images
Science

Chinese team shows quantum tech can disrupt AI in a real-world task

Breakthrough system matched or exceeded performance of a classical reservoir network with 10,000 nodes in multi-step weather prediction.

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Science

Drone warfare transformed? How China’s new invention could change the game

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Science

Unbreakable encryption on the cards thanks to this Chinese team’s discovery

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China technology

Opinion | US tech war spurring China’s 21st century research renaissance

China has gone from rice paddy to the world’s factory, but it will complete its modernisation in research labs.

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Gong Xianzu, head of division of the Experimental Advanced Superconducting Tokamak Physics and Experimental Operations, observes data during an experiment in Hefei, Anhui province, on January 19, 2025. Photo: Xinhua
US-China relations

How AI, quantum computing could help US overcome China’s rare earths advantage

Technologies for synthesising substitutes or alloys could cut time required to secure critical materials to just a few years.

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Science

Chinese scientists find path for long-distance quantum communications network

Team from Peking University says its model could allow for ultra-secure communications across thousands of kilometres.

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United States

Opinion | Chilling effect of US outbound investment rules will extend beyond China

Outbound investment rules introduced last year are expanding and hardening into law, chilling US investment across Asia’s tech ecosystems.

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US Treasury Secretary Scott Bessent speaks at the USA House at the annual meeting of the World Economic Forum in Davos, Switzerland, on January 21. Photo: AP
Fintech

HKMA launches quantum readiness and cybersecurity projects for banks in AI era

Banking regulator sets fintech road map with quantum index and measures to boost security, data quality and skills.

Science

China’s first-of-kind ABF crystal creates most energised solid-state laser beam

Breakthrough could open possibilities in quantum computing, space platforms, precision manufacturing and the chip industry.

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US-China relations

Opinion | China has Trump 2.0 to thank for emerging stronger in tech and trade

As intense US-China competition becomes the new normal, pressure has strengthened China’s capacity to adapt rather than deter it from its long-term ambitions.

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President Xi Jinping attends a high-level reception to ring in the Lunar New Year at the Great Hall of the People in Beijing, on January 27, 2025. Photo: Xinhua
Science

Editorial | China is no longer a follower in the race for quantum supremacy

A Chinese team recreated one of Einstein’s famous thought experiments, the results of which could help improve technologies like quantum computing.

Professor Pan Jianwei of the University of Science and Technology of China delivers a lecture at the Hong Kong University of Science and Technology in September 2016. Professor Pan’s team recently settled a disagreement between Albert Einstein and Nils Bohr. Photo: Dickson Lee
Science

Wilczek’s Multiverse | Prize for Physics that proves big things can be quantum too

This year’s winners were honoured for their work with an electrical circuit that could open up a path for further computing breakthroughs.

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Technology

Opinion | How AI, quantum and space technologies will define the Asian century

Together, they form an engine that will determine which nations shape the century ahead and which struggle to keep pace.

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Science

Quantum chip gives China’s AI data centres ‘1,000-fold’ speed boost: researchers

Emerging tech that uses light to boost computer power is already being used in aerospace, biomedicine and finance.

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Researchers at CHIPX pose for a photo with their high-performance 6-inch thin-film lithium niobate chip, an advance that is poised to accelerate progress in AI and quantum computing. Photo: Handout
Science

‘Historic’: Chinese team makes world’s first 2D industrial chip for military use

The chips continue to function even when exposed to high levels of gamma radiation and could have a range of strategic and military uses.

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The chips could be used in space or weapons systems. Photo: Shutterstock
US-China relations

China must more actively seek global lead in quantum race: think tank

Beijing could also diversify its technological partnerships overseas and exchange expertise, says influential mainland research house.

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Technology

How quantum computing puts Asia’s financial systems at risk

Uneven security safeguards leave the region vulnerable to quantum disruptions that could destabilise trust in digital finance, experts warn.

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US-China relations

As I see it | As Nobel laureates show, the US can’t take tech lead over China for granted

It’s hard to tell who will ultimately win the tech race but this year’s Nobel economics prize gives us some clues.

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A researcher conducts pest-control experiments at a branch of Sinograin in Chengdu, Sichuan province on October 15. Photo: Xinhua
China Future Tech briefing

Semiconductors | Chinese quantum computer cracks billion-year problems in seconds

Superfast and powerful, quantum computers could help solve some of humanity’s biggest challenges, as well as transforming finance, drug discovery and other fields.

China economy

Opinion | How China can position its K visa for success in race for global tech talent

Beijing must assuage local concerns while ensuring transparent selection, institutional support and the equitable integration of foreigners.

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United States

Opinion | Will the US republic survive stress test of Trump’s presidency?

America is facing a rare array of pressures including expanding executive powers, strategic dependencies, legitimacy deficits and fiscal rigidity.

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Protesters gather near the Broadview Immigration and Customs Enforcement (ICE) detention facility in Broadview, Illinois, to demand that the National Guard leave Chicago, on October 9. Photo: AFP
Open Questions series

Open Questions | Top mathematician on China’s talent gap, role of pure science

Tsinghua University’s Shing-Tung Yau on how China can stop being a follower in science, an opportunity for Hong Kong and chaos in Trump’s US.

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Illustration: Henry Wong
United States

Quantum leap: Nobel Prize in Physics awarded for groundbreaking discovery

The UK-US-French trio of John Clarke, Michel Devoret and John Martinis were honoured for their discoveries in quantum mechanics.

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China technology

Opinion | Techno-nationalism is now the critical battlefront in geopolitics

The assumption that technology is a neutral force driving shared progress is giving way to a reality of competition and contest.

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Science

In a first, Chinese team captures rare quantum friction effect in folded graphene

Team at Lanzhou Institute of Chemical Physics made unexpected finding while folding ultra-thin sheets of graphene.

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Researchers from the Lanzhou Institute of Chemical Physics have become the first to directly observe friction between solid materials at the quantum level. Photo: Shutterstock
Science

New Dawn: Pan Jianwei reveals high-orbit quantum satellite for global network

China’s ‘father of quantum’ tells German conference that project has laid groundwork to potentially redefine international basic unit of time.

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Leading Chinese physicist Pan Jianwei says China’s Dawn high-orbit quantum communication satellite will carry an optical atomic clock and be a new platform for quantum metrology research. Photo: Soho/星空军事
Science

China can’t buy Nvidia’s RTX 4090. Now its optical chip is twice as fast

‘Optical computing … can meet AI’s ever-growing computational demands and unleash a wave of new applications’: Professor Xie Peng.

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Science

Chinese scientists catch cosmic rays meddling in quantum computer operation

Study finds direct link between correlated errors in multiple qubits and the activity of subatomic particles and gamma rays.

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