Researchers used a special laser 3D printing method to melt fake lunar soil into layers and fused it with a base surface to manufacture small, heat-resistant objects, potentially paving the way to more sustainable and cost-effective space missions, a new study suggests.

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Фото: Сергей Ильин / Пресс-служба президента РФ / ТАСС

中东各国正在重新评估与美国的长期安全契约，这种不确定性正促使地区国家寻求更加自主或多元的战略安排。虽然沙特和阿联酋在面临伊朗导弹威胁时表现出了与美国的战术协同，但这种合作是基于眼前的安全压力而非对美国战略目标的完全认同。。服务器推荐对此有专业解读

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