Scientists from China, US and Germany find electrons to have spin only expected in gravitons, a long-sought-after particle that gives rise to gravity.

Liu Liehong lays out the case for full integration of the country’s computing power in its ‘Eastern Data and Western Computing’ mega project.

Annual list of top 10 achievements celebrates Chinese scientists working in fields including AI, quantum computing, astronomy and gene editing, but observers say country should do more to create an innovative environment and lure private investment.

Guo Guoping, an NPC deputy, quantum physicist and founder of Origin Quantum, says there is a decoupling between research and application in China.

The company says its latest upgrade makes iMessage more secure than WhatsApp, Telegram, Skype, QQ, WeChat – or even Signal.

US think tank flags military applications of quantum technology and its potential threat to digital security, while noting that China has already spent several billion dollars more on research.

Third meeting of Economic Working Group also covered financial cooperation within the G20 framework, industrial policies and debt issues.

Hearing is held to build on President Joe Biden’s executive order banning US investments in four Chinese tech sectors; witnesses urge lawmakers to use existing authorities rather than create new mechanisms.

Beijing is pushing a ‘whole-of-the-nation’ approach to focus resources on tech breakthroughs in key areas amid rising pressure from the US.

Brussels is pushing on with plans to weed out scientific collaborations with Chinese military, but faces resistance on screening outbound investments.

Chinese search engine giant Baidu is donating its quantum computing research facility to a state-backed laboratory in Beijing, following a similar move by Alibaba last year, as both firms renew their focus on AI.

Scientists in Russia and China establish quantum communication encrypted with the help of secure keys transmitted by Mozi satellite.

SpinQ’s QPU chip is a sign of successful venture into standardised mass production of the tech.

Science journal Nature has retracted a paper by a team of US scientists which claimed to have created a room-temperature superconducting material.

US President Joe Biden and Australian PM Anthony Albanese, meeting in Washington this week, will push regional development, officials say, including internet connections, submarine cables, even docks to ease travel and trade.

The regional tech programme aims to diversify US innovation away from traditional hubs like Silicon Valley, Seattle and Boston.

A US congressional committee is targeting Sequoia Capital after starting investigations into several other venture capital firms for their investment in Chinese technology companies.

The Shenzhen municipal government plans to start trials of ‘equity + debt’ financing via approved banks in the city’s Hetao and Qianhai cooperation zones.

Brussels reveals first four hi-tech categories that will be initial focus of economic security strategy to keep critical technologies out of Beijing’s hands.

The Silicon Valley company joins several other US investment firms, including Sequoia Capital, that have made similar moves under pressure in Washington.

Jack Dongarra, professor, Turing laureate and co-founder of TOP500 list, says China still produces the most supercomputers.

China’s ‘father of quantum’ Pan Jianwei and his team have been studying optical-lattice-based ultracold atomic systems since 2010.

US Commerce Secretary Gina Raimondo will arrive in China on Sunday for a four-day China visit, with an ‘expansive’ range of topics expected to be discussed.

Researchers in Canada and Italy have come up with a new way of visualising particles in real time.

‘Over time the US doesn’t want to find itself contributing military capabilities to China,’ Washington analyst says.

Quantum computing will change the world as we know it, but more breakthroughs are needed before we see the hugely powerful processors become an everyday reality, say quantum physicists.

Biden’s executive order is unlikely to stop further visits by top American officials but there are uncertainties ahead, analysts say.