arxiv:2501.0972 Эволюция структуры космического Телескопа Джеймса Вебба: история конструкторов (Genesis of the James Webb Space Telescope Architecture: The Designers' Story) Authors: Pierre Y. Bely et al. Comments: 36 pages, 37 figures, submitted to Journal of Astronomical Telescopes, Instruments and Systems (JATIS)
Очень интересный рассказ разработчиков космического телескопа Джеймса Вебба о том, как постепенно развивалась и эволюционировала концепция этого инструмента. Достаточно подробно, но понятно, описаны различные промежуточные идеи. Объясняется, как в итоге пришли к той конфигурации, которая была выведено на орбиту и успешно работает.
arxiv:2501.0972 Эволюция структуры космического Телескопа Джеймса Вебба: история конструкторов (Genesis of the James Webb Space Telescope Architecture: The Designers' Story) Authors: Pierre Y. Bely et al. Comments: 36 pages, 37 figures, submitted to Journal of Astronomical Telescopes, Instruments and Systems (JATIS)
Очень интересный рассказ разработчиков космического телескопа Джеймса Вебба о том, как постепенно развивалась и эволюционировала концепция этого инструмента. Достаточно подробно, но понятно, описаны различные промежуточные идеи. Объясняется, как в итоге пришли к той конфигурации, которая была выведено на орбиту и успешно работает.
BY НАУЧ ПОП
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Apparently upbeat developments in Russia's discussions with Ukraine helped at least temporarily send investors back into risk assets. Russian President Vladimir Putin said during a meeting with his Belarusian counterpart Alexander Lukashenko that there were "certain positive developments" occurring in the talks with Ukraine, according to a transcript of their meeting. Putin added that discussions were happening "almost on a daily basis." And while money initially moved into stocks in the morning, capital moved out of safe-haven assets. The price of the 10-year Treasury note fell Friday, sending its yield up to 2% from a March closing low of 1.73%. Groups are also not fully encrypted, end-to-end. This includes private groups. Private groups cannot be seen by other Telegram users, but Telegram itself can see the groups and all of the communications that you have in them. All of the same risks and warnings about channels can be applied to groups. He said that since his platform does not have the capacity to check all channels, it may restrict some in Russia and Ukraine "for the duration of the conflict," but then reversed course hours later after many users complained that Telegram was an important source of information. Two days after Russia invaded Ukraine, an account on the Telegram messaging platform posing as President Volodymyr Zelenskiy urged his armed forces to surrender.
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