pyotr deryagin understood the issue. begins to glow, an incandescent lamp. today it goes down in history, turning into a museum exhibit, and a century and a half ago it was called one of the greatest inventions. moreover, the germans will tell you that the light bulb was invented by heinrich. the british will call joseph swan goebel, the americans thomas edison, but the russian inventor alexander ladygin was the first to manufacture and patent a lamp in its familiar form. it was his light bulb that showed stable operation, was the first to leave the walls of the laboratory and began to illuminate entire areas of life. from 1872 to 1874, ladygin constantly conducted experiments in st. petersburg, events no less than the premiere there in the theater. he created lamps for dining rooms and corridors. for railways, lamps that can work underwater. ladygin will understand that in order for the lamp to burn longer, a vacuum is needed inside the flask to keep the inert gas even longer. in his research, he will go from a charcoal

why the development was called the lich’s light bulb, and where one cannot do without it today, pyotr deryagins flask, a thin spiral heats up and begins to glow, the lamp incandescent today it is consigned to history, turning into a museum exhibit, but a century and a half ago it was called one of the greatest inventions. moreover, the germans will tell you that the light bulb was invented by heinrich goebel, the englishman’s name is joseph swan, the americans’ name is thomas edison, but the first person to manufacture and patent a light bulb in the form we are familiar with is the russian inventor alexander ladygin. it was his light bulb that showed stable operation, was the first to leave the walls of the laboratory and began to illuminate entire areas of life. edison was simply already familiar with these lamps, and he held ladygin's lamps in his hand. ladygin, edison, they were the same age, born in 1847 . ladygin received the privilege for an incandescent lamp when he was 27 years old, edison when he was 32 years old, everything becomes clear. traffic lights and electric lights, high-volt

pyotr deryagin, elena shtoklova, kirill kushnik, victor shvagerus, vyacheslav amilyutin, channel one.reat event for all jazz lovers. the first international festival started in st. petersburg. concerts at several open venues at once, most of them. you can visit for free, and what kind of jazz would be without improvisation? its rhythms will be complemented by classics and rap; there are even opera stars among the participants. alena germanova immersed herself in the jazz atmosphere and appreciated the mixture of styles. i i love jazz very much, yes, it is special music that creates a special mood. and in this weather to hear jazz, well, it’s just magic. why do you love jazz? for unpredictability, for fantasy, for melody that penetrates to the depths of the soul. this will be interesting, i came with my husband, he doesn’t know whether he likes jazz or not, but he has nowhere to go, right on the shore of the gulf of finland right in the middle of a city garden, the air is literally saturated with jazz, it’s rare. cases when even traffic jams quieted down, the streets were filled with t

pyotr deryagin, elena shtoklova, kirill kushnev, victor shvagerus, vyacheslav omilyutin, channel one. everything is on the air right now, it’s a fashionable verdict. the start of the thirty-third russian football championship was a glorious one. the teams did not let the fans get bored. zenit began their title defense with a victory in samara. the st. petersburg team left no stone unturned in the first half and opened the game in the soviets, scoring three times. first, vilmar barios snatched the ball from two opponents in a tackle. wendel immediately cut through the hosts' defense with a penetrating pass to maxim glushenkov. who calmly beat alexander soldatenkov hit the target. soon arthur opened up on the flanks, received the ball, served from under the same soldatenkov, and headed it perfectly to mateo casier, the top scorer of last season in the rpl. well, shortly before the break , glushenkov scored a double, completing the combination featuring arthur and wendell. taking into account the country's super cup, zenit's newcomer has four goals. his transfer from lokomotiv has alread