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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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On February 27th, Durov posted that Channels were becoming a source of unverified information and that the company lacks the ability to check on their veracity. He urged users to be mistrustful of the things shared on Channels, and initially threatened to block the feature in the countries involved for the length of the war, saying that he didn’t want Telegram to be used to aggravate conflict or incite ethnic hatred. He did, however, walk back this plan when it became clear that they had also become a vital communications tool for Ukrainian officials and citizens to help coordinate their resistance and evacuations. Given the pro-privacy stance of the platform, it’s taken as a given that it’ll be used for a number of reasons, not all of them good. And Telegram has been attached to a fair few scandals related to terrorism, sexual exploitation and crime. Back in 2015, Vox described Telegram as “ISIS’ app of choice,” saying that the platform’s real use is the ability to use channels to distribute material to large groups at once. Telegram has acted to remove public channels affiliated with terrorism, but Pavel Durov reiterated that he had no business snooping on private conversations. In February 2014, the Ukrainian people ousted pro-Russian president Viktor Yanukovych, prompting Russia to invade and annex the Crimean peninsula. By the start of April, Pavel Durov had given his notice, with TechCrunch saying at the time that the CEO had resisted pressure to suppress pages criticizing the Russian government. 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. "Russians are really disconnected from the reality of what happening to their country," Andrey said. "So Telegram has become essential for understanding what's going on to the Russian-speaking world."
from jp


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