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# Tennis14

The Physics Behind Tennis's Fastest Serves

A Chinese science outlet explains how players generate serves approaching 263 km/h — roughly the cruising speed of a high-speed train. The secret lies not in the arm but in a full-body kinetic chain from feet to racket.

🔬 Science2 min read#Tennis#Research

Pain and Pride: China's Billie Jean King Cup Dream Ends in Shenzhen

Zheng Qinwen took the court on painkillers and fell to Jasmine Paolini as defending champions Italy edged China 2-1 in the Billie Jean King Cup quarterfinal in Shenzhen. Veteran Zhang Shuai had fired the hosts ahead, but Italy's depth proved decisive, sending the Italians into a semifinal against Ukraine.

⚽ Sports3 min read#Tennis#Cities

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