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🚂 راز حرکت بی‌نقص قطار روی ریل!
آیا می‌دانستید طراحی چرخ قطار یکی از شاهکارهای مهندسی است که تعادل و سرعت را با هم ترکیب می‌کند؟ 🤯
تو این ویدیو بهت نشون می‌دیم چرا قطارها روی ریل نمی‌لغزند و چطور چرخ‌هاشون به زیبایی مسیر رو طی می‌کنن! 🔧
📽️ تماشا کن و شگفت‌زده شو!

لینک ویدئو
#لذت_دانایی

💠 @Seraj_Noshirvani



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🚂 راز حرکت بی‌نقص قطار روی ریل!
آیا می‌دانستید طراحی چرخ قطار یکی از شاهکارهای مهندسی است که تعادل و سرعت را با هم ترکیب می‌کند؟ 🤯
تو این ویدیو بهت نشون می‌دیم چرا قطارها روی ریل نمی‌لغزند و چطور چرخ‌هاشون به زیبایی مسیر رو طی می‌کنن! 🔧
📽️ تماشا کن و شگفت‌زده شو!

لینک ویدئو
#لذت_دانایی

💠 @Seraj_Noshirvani

BY پژوهشکده سراج


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Telegram | DID YOU KNOW?

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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. "Markets were cheering this economic recovery and return to strong economic growth, but the cheers will turn to tears if the inflation outbreak pushes businesses and consumers to the brink of recession," he added. There was another possible development: Reuters also reported that Ukraine said that Belarus could soon join the invasion of Ukraine. However, the AFP, citing a Pentagon official, said the U.S. hasn’t yet seen evidence that Belarusian troops are in Ukraine. Despite Telegram's origins, its approach to users' security has privacy advocates worried. "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.
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