as a result of experiments 135 years ago, staletov essentially created the world's first photocell.els. they consist of here. such panels and these are photocells, how does it work? sunlight hits them, then the process of converting light into electricity occurs. so, it is possible to transform not only the sun's rays, for example an image, but thanks to the research of the century, soviet scientists already invented television and thereby changed the world. almost from me it’s like my image, it is read by a beam that comes from an electron gun, goes to amplifiers, to a transmitter, comes to your home, is fed to the screen, this is how tv works, it gave rise to a whole era, its photocells are the roots of modern television, and still the signal, for example, from the stankin tower is sent to our blue screens using this technology, photocells made a revolution in cinema, with their help the cinema began to speak, which means the initial frames and here comes the sound track, we charge. device, if you look closely, you will see a reading line falling on the phonogram, a small element,

mechanisms are launched, and the doors open and close again, so sometimes various oddities happen, staletovrs of his research help develop science, today scientists... systems, who knows what other inventions will appear thanks to the discoveries of the great russian physicist. andrey goldrev, maxim trubnikov, ekaterina belova, alexey isaev, svetlana vedyashkina and dmitry konakov, channel one. a fresh scandal in moldova, the ex-chairman of the romanian senate, a different citizen, has been appointed head of the national bank. country, and also a high-ranking intelligence officer. the opposition poses a direct question: where else is such disregard for national interests possible? but moldova is a special case, president maysando herself holder of a romanian passport. by the way, under her rule the romanian language was made a state language. the prime minister, the speaker of parliament and a number of ministers from the ruling party have dual citizenship. sandu's term of office expires in a year, who knows what other positions will be handed over by this time. now advertising. the second