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Полимерные композиты заменят титан в двигателях самолета Boeing
Бельгийская транснациональная компания по производству материалов Syensqo (ранее Solvay) в сотрудничестве с американской корпорацией Boeing продемонстрировала высокотемпературный препрег марки CYCOM® 5250–4HT в качестве эффективной замены титану в выхлопном сопле самолета MQ-25 Stingray компании Boeing.
Полимерные композиты заменят титан в двигателях самолета Boeing
Бельгийская транснациональная компания по производству материалов Syensqo (ранее Solvay) в сотрудничестве с американской корпорацией Boeing продемонстрировала высокотемпературный препрег марки CYCOM® 5250–4HT в качестве эффективной замены титану в выхлопном сопле самолета MQ-25 Stingray компании Boeing.
False news often spreads via public groups, or chats, with potentially fatal effects. If you initiate a Secret Chat, however, then these communications are end-to-end encrypted and are tied to the device you are using. That means it’s less convenient to access them across multiple platforms, but you are at far less risk of snooping. Back in the day, Secret Chats received some praise from the EFF, but the fact that its standard system isn’t as secure earned it some criticism. If you’re looking for something that is considered more reliable by privacy advocates, then Signal is the EFF’s preferred platform, although that too is not without some caveats. Lastly, the web previews of t.me links have been given a new look, adding chat backgrounds and design elements from the fully-features Telegram Web client. "Someone posing as a Ukrainian citizen just joins the chat and starts spreading misinformation, or gathers data, like the location of shelters," Tsekhanovska said, noting how false messages have urged Ukrainians to turn off their phones at a specific time of night, citing cybersafety. Some people used the platform to organize ahead of the storming of the U.S. Capitol in January 2021, and last month Senator Mark Warner sent a letter to Durov urging him to curb Russian information operations on Telegram.
from tw
