Российские ученые разработали способ получения наночастиц оксида цинка в форме нанолистов. Их можно использовать в системах очистки воды для удаления токсичных органических соединений, например красителей или антибиотиков.
Российские ученые разработали способ получения наночастиц оксида цинка в форме нанолистов. Их можно использовать в системах очистки воды для удаления токсичных органических соединений, например красителей или антибиотиков.
He floated the idea of restricting the use of Telegram in Ukraine and Russia, a suggestion that was met with fierce opposition from users. Shortly after, Durov backed off the idea. The gold standard of encryption, known as end-to-end encryption, where only the sender and person who receives the message are able to see it, is available on Telegram only when the Secret Chat function is enabled. Voice and video calls are also completely encrypted. Emerson Brooking, a disinformation expert at the Atlantic Council's Digital Forensic Research Lab, said: "Back in the Wild West period of content moderation, like 2014 or 2015, maybe they could have gotten away with it, but it stands in marked contrast with how other companies run themselves today." Although some channels have been removed, the curation process is considered opaque and insufficient by analysts. But the Ukraine Crisis Media Center's Tsekhanovska points out that communications are often down in zones most affected by the war, making this sort of cross-referencing a luxury many cannot afford.
from ar
