Day: December 24, 2025

Chinese researchers have proposed a simple yet powerful theory to explain one of physics’ oldest puzzles: why time only moves forward and why travelling to the past remains impossible. Physicist Cai Qingyu and his team at Hainan University in southern China have developed a fresh explanation at the quantum level for why we cannot unscramble an egg or grow younger, even though the laws of physics perfectly allow time to go backwards. Unlike earlier theories, their framework does not rely on observations, measurements or external disturbances, the scientists explained in…

All eyes are on how Beijing’s “Chinese dream” of eventual Taiwan reunification will unfold at a time when the leader of the United States – Taipei’s top international backer – appears less likely to intervene in case of a cross-strait conflict. In the third of a three-part series, Amber Wang looks at how PLA activity may reflect the wider political picture. In the past five years, People’s Liberation Army activity near Taiwan has been seen by many observers as a key indicator of when and whether a conflict that may…

Brazil is preparing to waive visa requirements for Chinese citizens travelling for tourism and business, local media reported on Wednesday citing government sources, in a move that would mark a significant shift in policy and deepen ties with its largest trading partner. According to local newspaper Valor Economico, the decision reflects a growing view within President Luiz Inacio Lula da Silva’s government that easing entry rules would boost tourism, trade and investment, outweighing long-standing concerns about migration risks. China is Brazil’s largest commercial partner and one of the fastest-growing sources…

00:00 00:00 1.25x South China Morning Post

China said on Wednesday it would hit back against the latest US tariffs targeting its semiconductor sector. On Tuesday, the Office of the United States Trade Representative said it would raise the tariffs on June 23, 2027, with the level to be announced at least 30 days in advance. It followed the release of the findings of a year-long probe into China’s chip sector, launched in the final month of the Joe Biden administration. Advertisement The office said Beijing’s push to dominate the sector was “unreasonable and discriminatory” and posed…

Whether in China’s urban centres or its remote rural areas, Christmas is not typically celebrated with the fanfare seen in the West. On the mainland, December 25 is not even a public holiday, with the lion’s share of enthusiasm reserved for the traditional Lunar New Year period beginning in January or February. Zhang Li, who lives in a pastoral section of the Inner Mongolia autonomous region in the country’s north, was no exception. But this year things have changed, thanks in part to a new government policy – her daughter…

The Chinese military has simulated battles near Mexico and Cuba during a wargaming exercise – a rare insight revealed in a report on state television. Cuba, the Gulf of Mexico and the Caribbean Sea, along with the Sea of Okhotsk and Taiwan, were among the locations of conflict scenarios visible on screens in a CCTV report on Friday showing People’s Liberation Army wargaming exercises. Despite closer economic ties with countries in the region, China has a minimal military presence in Latin America. But the fact that the PLA is modelling…

Doubao, a ChatGPT-like app, had 155 million weekly active users in the second week of December, according to data released on Tuesday by business intelligence service provider QuestMobile. It said that number was nearly double the 81.56 million total recorded by DeepSeek’s eponymous chatbot, which stayed as the market’s No 2 player, in the same period. The domestic consumer AI app rankings underscored the advantage of Chinese Big Tech firms in having a large user base and a strong AI ecosystem. South China Morning Post

In an effort to further promote the internationalisation of China’s currency, Beijing has pledged to expand the use of its digital yuan, including by establishing a cross-border payment pilot with Singapore. The measures, announced by the People’s Bank of China on Wednesday, are tied to a broader financial support plan for China’s New International Land-Sea Trade Corridor – a trade and logistics network, launched in 2017, that links landlocked cities in western China with hundreds of global ports via rail, road and shipping connections. The PBOC, along with seven other…

Taipei Mayor Chiang Wan-an has cut short his planned visit to a joint forum in Shanghai to better focus on security concerns following a deadly stabbing incident in the Taiwanese city last week. Chiang was originally scheduled to attend the Shanghai-Taipei City Forum over Saturday and Sunday. He will now only fly over for the main forum on Sunday morning before returning to Taipei to oversee heightened security operations, according to a press release from the municipal government on Tuesday. The Shanghai-Taipei City Forum has been held annually since 2010…