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С фигурой Лиссажу связана довольно любопытная иллюзия, созданная программистом из Техаса Фрэнком Форсом: совершенно непонятно, в каком направлении вращается то, что вы видите — справа налево или слева направо, сверху вниз или снизу вверх.
С фигурой Лиссажу связана довольно любопытная иллюзия, созданная программистом из Техаса Фрэнком Форсом: совершенно непонятно, в каком направлении вращается то, что вы видите — справа налево или слева направо, сверху вниз или снизу вверх.
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Again, in contrast to Facebook, Google and Twitter, Telegram's founder Pavel Durov runs his company in relative secrecy from Dubai. It is unclear who runs the account, although Russia's official Ministry of Foreign Affairs Twitter account promoted the Telegram channel on Saturday and claimed it was operated by "a group of experts & journalists." 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. The regulator said it had received information that messages containing stock tips and other investment advice with respect to selected listed companies are being widely circulated through websites and social media platforms such as Telegram, Facebook, WhatsApp and Instagram. He said that since his platform does not have the capacity to check all channels, it may restrict some in Russia and Ukraine "for the duration of the conflict," but then reversed course hours later after many users complained that Telegram was an important source of information.
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