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🔺 دانش و تکنولوژی واقعی کجاست؟ - ۳۰

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الماس با پرتو ایکس (X) دیده نمی‌شود. معنایش آن است که در بُعد و یا جهان ما، خیلی چیزها وجود دارند اما از دیدگاه ما نامرئی هستند.

ویدیوهای نخست تا چهارم :
نامرئی‌سازی تا کنون از پارچه تا جنگنده را شامل شده است. معنای این یکی نیز آن است که تکنولوژی اختفا بسیار پیش‌رفته‌تر از آن است که در تصور مردم بگنجد.

ویدیوی پنجم :
با تکنیک schlieren می‌توان بعضی از عناصر، مواد و اشیای نامرئی را مرئی ساخت و یا آن‌ها را دید؛ اما فقط «بعضی»ها را.

[«دانش و تکنولوژی» قبلی]
@nonewwar
https://www.group-telegram.com/ms/nonewwar.com



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🔺 دانش و تکنولوژی واقعی کجاست؟ - ۳۰

شرح بنر :
الماس با پرتو ایکس (X) دیده نمی‌شود. معنایش آن است که در بُعد و یا جهان ما، خیلی چیزها وجود دارند اما از دیدگاه ما نامرئی هستند.

ویدیوهای نخست تا چهارم :
نامرئی‌سازی تا کنون از پارچه تا جنگنده را شامل شده است. معنای این یکی نیز آن است که تکنولوژی اختفا بسیار پیش‌رفته‌تر از آن است که در تصور مردم بگنجد.

ویدیوی پنجم :
با تکنیک schlieren می‌توان بعضی از عناصر، مواد و اشیای نامرئی را مرئی ساخت و یا آن‌ها را دید؛ اما فقط «بعضی»ها را.

[«دانش و تکنولوژی» قبلی]
@nonewwar
https://www.group-telegram.com/ms/nonewwar.com

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But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat. Right now the digital security needs of Russians and Ukrainians are very different, and they lead to very different caveats about how to mitigate the risks associated with using Telegram. For Ukrainians in Ukraine, whose physical safety is at risk because they are in a war zone, digital security is probably not their highest priority. They may value access to news and communication with their loved ones over making sure that all of their communications are encrypted in such a manner that they are indecipherable to Telegram, its employees, or governments with court orders. But Telegram says people want to keep their chat history when they get a new phone, and they like having a data backup that will sync their chats across multiple devices. And that is why they let people choose whether they want their messages to be encrypted or not. When not turned on, though, chats are stored on Telegram's services, which are scattered throughout the world. But it has "disclosed 0 bytes of user data to third parties, including governments," Telegram states on its website. This ability to mix the public and the private, as well as the ability to use bots to engage with users has proved to be problematic. In early 2021, a database selling phone numbers pulled from Facebook was selling numbers for $20 per lookup. Similarly, security researchers found a network of deepfake bots on the platform that were generating images of people submitted by users to create non-consensual imagery, some of which involved children. 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.
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