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Археологические раскопки на острове Вен (Швеция) позволили выяснить подробности алхимических экспериментов, которые проводил известный средневековый астроном Тихо Браге (1546-1601) в своей лаборатории Ураниборг, располагавшейся на этом острове.
На поверхности осколков и черепков посуды, найденной на месте раскопок, были обнаружены следы девяти химических элементов, включая медь. золото, вольфрам и цинк.

#историяхимии #алхимия



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Археологические раскопки на острове Вен (Швеция) позволили выяснить подробности алхимических экспериментов, которые проводил известный средневековый астроном Тихо Браге (1546-1601) в своей лаборатории Ураниборг, располагавшейся на этом острове.
На поверхности осколков и черепков посуды, найденной на месте раскопок, были обнаружены следы девяти химических элементов, включая медь. золото, вольфрам и цинк.

#историяхимии #алхимия

BY Химия в России и за рубежом (канал ИОНХ РАН)




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Either way, Durov says that he withdrew his resignation but that he was ousted from his company anyway. Subsequently, control of the company was reportedly handed to oligarchs Alisher Usmanov and Igor Sechin, both allegedly close associates of Russian leader Vladimir Putin. The last couple days have exemplified that uncertainty. On Thursday, news emerged that talks in Turkey between the Russia and Ukraine yielded no positive result. But on Friday, Reuters reported that Russian President Vladimir Putin said there had been some “positive shifts” in talks between the two sides. 'Wild West' On December 23rd, 2020, Pavel Durov posted to his channel that the company would need to start generating revenue. In early 2021, he added that any advertising on the platform would not use user data for targeting, and that it would be focused on “large one-to-many channels.” He pledged that ads would be “non-intrusive” and that most users would simply not notice any change. 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."
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