SAN FRANCISCO, July 9 (Xinhua) -- Nvidia on Wednesday became the first company to ever hit the market value of 4 trillion U.S. dollars as its stock jumped more than 2 percent during the morning ...

In June 2025, Threads' mobile app for iOS and Android saw 115.1 million daily active users, representing 127.8 percent year-on-year growth, while X reached 132 million daily actives, as its ...

新研究采用了传统飞行机器人的设计方案，但机器人很多部位由关节相连，大幅提升了其灵活性和弹性。同时，这种设计使关节的受力仅为原来的百分之一。研究团队还使用类似肌肉的软执行器来驱动翅膀，而非像传统飞行机器人那样使用标准的电动机。（记者刘霞） ...

Domenica mattina, un volo United da San Francisco a Roma ha effettuato un atterraggio d’emergenza in Islanda. Indagini in corso.