Https://libre.video/accounts/banom29104/video-channels
https://libre.video/videos/watch/6bb623b7-4a86-4694-8ffc-96dd87fb5b7f
https://libre.video/videos/watch/6c484d6a-b4dc-4ba0-a897-8c9933e73575

1. popov`s "storm indicator", which he demonstrated in 1895, had been the prototype of modern radio receivers. 2. great progress has been made in radio engineering since then. 3. v. i. lenin called radio a newspaper needing no paper and reaching all distances. 4. radio helps to bring remote areas closer to cultural centers of the country. 5. the importance of radio hasn`t lessened with the appearance of television. 6. the main tv center is situated in moscow. 7. many programmes are transmitted from special tv theatre. 8. the inventor of the radio a. s. popov was born in 1859. 9. he graduated from the petersburg university in 1883. 10. the development of television has begun with the work of boris roding. 11. he put forward the idea of using an electron-beam tube to receive pictures.