Israeli Prime Minister's Office said Friday that Israel has received the list of three Israeli civilian hostages Hamas will release on Saturday. The list includes Israeli-French citizen Ofer Calderon, ...

Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient world slept only 6.5 hours a night.

Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

​​飞行背包的原型最早出现在越南战争期间，曾被认为是实施突袭的秘密武器。但最终被美军否决了，因为飞行中的士兵简直就是活靶子。近期的迹象表明，这种能让人类飞行的独特工具，或许会在军事领域焕发出新的活力。 飞行背包，作为一种能让人类飞行的独特工具，或许即将出现在特种作战的场景中。 2024年11月13日，法国陆军在国家步兵日活动中，测试了“飞行士兵”这一概念：全副武装的特种兵，操纵飞行背包快速掠过半空 ...