تاخیر زمانی که توسط سیگنال نور پراکنده شده تجربه می‌شود، یک بخش موهومی دارد که غیر قابل مشاهده در نظر گرفته می‌شد؛ اما پژوهشگران اثر آن را در یک تغییر فرکانس، جداسازی کرده اند. یک ماده پراکنده کننده نور، مثل یک پنجره مات یا یک مه رقیق، موجب می‌شود که نور آهسته تر از زمانی که هیچ ماده ای در ...
تاخیر زمانی که توسط سیگنال نور پراکنده شده تجربه می‌شود، یک بخش موهومی دارد که غیر قابل مشاهده در نظر گرفته می‌شد؛ اما پژوهشگران اثر آن را در یک تغییر فرکانس، جداسازی کرده اند. یک ماده پراکنده کننده نور، مثل یک پنجره مات یا یک مه رقیق، موجب می‌شود که نور آهسته تر از زمانی که هیچ ماده ای در ...
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. Now safely in France with his spouse and three of his children, Kliuchnikov scrolls through Telegram to learn about the devastation happening in his home country. In the past, it was noticed that through bulk SMSes, investors were induced to invest in or purchase the stocks of certain listed companies. Just days after Russia invaded Ukraine, Durov wrote that Telegram was "increasingly becoming a source of unverified information," and he worried about the app being used to "incite ethnic hatred." Telegram was co-founded by Pavel and Nikolai Durov, the brothers who had previously created VKontakte. VK is Russia’s equivalent of Facebook, a social network used for public and private messaging, audio and video sharing as well as online gaming. In January, SimpleWeb reported that VK was Russia’s fourth most-visited website, after Yandex, YouTube and Google’s Russian-language homepage. In 2016, Forbes’ Michael Solomon described Pavel Durov (pictured, below) as the “Mark Zuckerberg of Russia.”
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