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دانشمندان مدت‌هاست می‌دانند که به نظر می‌رسد نور گاهی قبل از ورود به یک ماده، از آن خارج می‌شود، اثری که به عنوان توهم ناشی از تغییر شکل امواج توسط ماده نادیده گرفته می‌شد. اکنون، پژوهشگران دانشگاه تورنتو از طریق آزمایش‌های نوآورانه کوانتومی می‌گویند که ثابت کرده‌اند "زمان منفی" دیگر فقط یک ایده ...
دانشمندان مدت‌هاست می‌دانند که به نظر می‌رسد نور گاهی قبل از ورود به یک ماده، از آن خارج می‌شود، اثری که به عنوان توهم ناشی از تغییر شکل امواج توسط ماده نادیده گرفته می‌شد. اکنون، پژوهشگران دانشگاه تورنتو از طریق آزمایش‌های نوآورانه کوانتومی می‌گویند که ثابت کرده‌اند "زمان منفی" دیگر فقط یک ایده ...
After fleeing Russia, the brothers founded Telegram as a way to communicate outside the Kremlin's orbit. They now run it from Dubai, and Pavel Durov says it has more than 500 million monthly active users. Russians and Ukrainians are both prolific users of Telegram. They rely on the app for channels that act as newsfeeds, group chats (both public and private), and one-to-one communication. Since the Russian invasion of Ukraine, Telegram has remained an important lifeline for both Russians and Ukrainians, as a way of staying aware of the latest news and keeping in touch with loved ones. In view of this, the regulator has cautioned investors not to rely on such investment tips / advice received through social media platforms. It has also said investors should exercise utmost caution while taking investment decisions while dealing in the securities market. Stocks closed in the red Friday as investors weighed upbeat remarks from Russian President Vladimir Putin about diplomatic discussions with Ukraine against a weaker-than-expected print on U.S. consumer sentiment. "There are a lot of things that Telegram could have been doing this whole time. And they know exactly what they are and they've chosen not to do them. That's why I don't trust them," she said.
from nl
