THE United States is once again feeling anxious about supercomputers, a strategic emerging industry. The Wall Street Journal recently published an article saying China is getting "secretive" about its supercomputers. It says Chinese scientists have become more secretive and have stopped participating in the TOP500 forum, making it harder for the US government to know who has faster supercomputers between China and the US.

In the latest TOP500 ranking, released in June, the US dominated the top three spots and held half of the top 10, while China's "Sunway TaihuLight" ranked 13th and "Tianhe-2A," 16th. This significant disparity in rankings has made the US suspicious, fearing that China is engaged in a supercomputing "covert war" against it, thus accusing China of hindering international supercomputing exchanges by keeping secrets.

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