JERUSALEM, Nov. 5 (Xinhua) -- The Israeli military said on Wednesday it had completed a joint exercise with the Hellenic Air Force over Greek airspace, simulating long-range operational flights and in ...

BUCHAREST, Nov. 3 (Xinhua) -- Romania's Ministry of National Defense signed a contract on Monday to acquire 18 F-16 Fighting Falcon aircraft and related equipment from the Netherlands for a symbolic ...

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Predictably nowhere to be seen was his Twilight co-star and real-life girlfriend Kristen Stewart, who avoids making public ...

科学家们设计了一种只凭手腕运动就可以抓握物体的机械手。这只由英国剑桥大学研究团队研发的3D打印机械手中被放置了传感器，从而能够 “感知” 它所触摸的物体。 Researchers say their robotic hand can handle items that are currently too delicate for machines. The hand uses wrist ...

Frank Shu of the University of California, San Diego has conjectured that jets of gas or a strong wind generated by the ...

这个短语中的Elvis指的是曾经的美国传奇歌手“猫王”。这句话源于猫王演出时，歌迷们兴奋至极，将演唱会现场堵得水泄不通。当时的播音员就拿着大喇叭对歌迷们喊“Elvis has left the building.”提醒歌迷演出已结束，该回家回家去吧。

IT之家 10 月 31 日消息，据 Tom's Hardware 昨日报道，一群飞行模拟爱好者正在车库中使用一架旧的波音 747 客机驾驶舱搭建一个完整的模拟设备。Jurassic Jets Team ...

一群由建筑师、工程师和航空爱好者组成的团队，正在将一架退役波音747-300客机的驾驶舱改造成全球最逼真的飞行模拟器之一。这个名为Jurassic Jets ...