Мощный удар Израиля по Ирану попал на видео09:41
В России изменились программы в автошколах22:30。新收录的资料对此有专业解读
Audio company iFi just introduced a new DAC (digital-to-analogue converter) that's both smaller and lighter than its previous model, and only costs $59. The iFi GO Link 2 connects to a smartphone or other audio-playing device over USB-C and can instantly improve the listening experience on wired headphones.，更多细节参见新收录的资料
无论采用哪种方案，空间太阳能电站作为一个连接“太空—太空”“太空—地面”的超大型能源供给系统，都需要突破多项关键核心技术。比如，远距离高功率高效率微波无线传能、在轨超大型结构组装、极端热环境控制、长期可靠性运行等。这些技术环环相扣，需系统性突破。
Nature, Published online: 27 February 2026; doi:10.1038/s41586-026-10308-x