Chinese Fusion Reactor Maintains 70 Million Degrees Celsius For More Than 17 Minutes
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The centenary celebration faced what the paper reportedly termed unprecedented challenges, including an unexpected increase in air pollutants and an overcast sky during one of the wettest summers on record. Factories and other polluting activities had been halted in the days ahead of the event but low airflow meant the pollution hadn’t dissipated, it said. The paper, published in the peer-reviewed Environmental Science journal and led by environmental science professor, Wang Can, said a two-hour cloud-seeding operation was launched on the eve of the ceremony, and residents in nearby mountain regions reported seeing rockets shot into the sky on 30 June. The paper said the rockets were carrying silver iodine into the sky to stimulate rainfall.
The researchers said the resulting artificial rain reduced the level of PM2.5 air pollutants by more than two-thirds, and shifted the air quality index reading, based on World Health Organization standards, from “moderate” to “good.” The team said the artificial rain “was the only disruptive event in this period,” so it was unlikely the drop in pollution had a natural cause.
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To China, this is an ambitious project with unprecedented challenges. The only publicly known nuclear device it has sent into space is a tiny radioactive battery on Yutu 2, the first rover to land on the far side of the moon in 2019. That device could only generate a few watts of heat to help the rover during long lunar nights. Chemical fuel and solar panels will no longer be enough to meet the demands of human space exploration, which is expected to expand significantly with human settlements on the moon or Mars on the agenda, according to the Chinese researchers. “Nuclear power is the most hopeful solution. Other nations have launched some ambitious plans. China cannot afford the cost of losing this race,” said one researcher with the Chinese Academy of Sciences who asked not to be named as they were not authorised to speak to the media.
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There are more than 70 apps published by Tencent that are active and there are more than 100 games published by Tencent Mobile Games, according to app tracking firm Qimai.
It is not known how long the suspension will last and the Chinese ministry has not published any information about the ban. “We are continuously working to enhance user protection features within our apps, and also have regular cooperation with relevant government agencies to ensure regulatory compliance. Our apps remain functional and available for download,” Tencent said in its statement.
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