На самом деле представления о ней были даже у древних греков. Они считали, что есть центр, к которому притягиваются все тела. Аристотель считал, что тяжёлые тела падают вниз, а лёгкие, наоборот, взлетают вверх.
➡️ Как и почему представления о гравитации изменились? Рассказал астрофизик Сергей Пилипенко.
На самом деле представления о ней были даже у древних греков. Они считали, что есть центр, к которому притягиваются все тела. Аристотель считал, что тяжёлые тела падают вниз, а лёгкие, наоборот, взлетают вверх.
➡️ Как и почему представления о гравитации изменились? Рассказал астрофизик Сергей Пилипенко.
Andrey, a Russian entrepreneur living in Brazil who, fearing retaliation, asked that NPR not use his last name, said Telegram has become one of the few places Russians can access independent news about the war. Under the Sebi Act, the regulator has the power to carry out search and seizure of books, registers, documents including electronics and digital devices from any person associated with the securities market. The last couple days have exemplified that uncertainty. On Thursday, news emerged that talks in Turkey between the Russia and Ukraine yielded no positive result. But on Friday, Reuters reported that Russian President Vladimir Putin said there had been some “positive shifts” in talks between the two sides. At this point, however, Durov had already been working on Telegram with his brother, and further planned a mobile-first social network with an explicit focus on anti-censorship. Later in April, he told TechCrunch that he had left Russia and had “no plans to go back,” saying that the nation was currently “incompatible with internet business at the moment.” He added later that he was looking for a country that matched his libertarian ideals to base his next startup. Since its launch in 2013, Telegram has grown from a simple messaging app to a broadcast network. Its user base isn’t as vast as WhatsApp’s, and its broadcast platform is a fraction the size of Twitter, but it’s nonetheless showing its use. While Telegram has been embroiled in controversy for much of its life, it has become a vital source of communication during the invasion of Ukraine. But, if all of this is new to you, let us explain, dear friends, what on Earth a Telegram is meant to be, and why you should, or should not, need to care.
from br