Android Macos 05/01/2021 Telegram now has video calls on Android and macOS. So far only in beta - Lifehacker
News Android 04/01/2021 Android smartphones will learn to predict earthquakes and warn about them in advance - Lifehacker
Miscellaneous 04/12/2023 Preparation for the Unified State Exam in Physics - course 4180 rubles. from Sotka, training, date: December 4, 2023.