from 1872 to 1874, ladygin constantly conducted experiments in st. 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 thread made of baked bamboo to that same tungsten spiral, but an inventor, not a businessman by nature, could not build a gigantic production facility. his patents were bought by general electric. and then edison, using many of ladygin’s ideas , made the production of lamps truly mass-produced, providing them with the familiar clicking sound. e27, where e is just the first letter of his last name. edison simply already had lamps, he was familiar with these, and he held ladygin’s lamps in his hand. the dispute is easy to resolve, because ladygin and edison 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, ev

ladygin, edison, they were the same age, born in 1847 .descent lamp when he was 27 years old, edison when he was 32 years old, everything becomes clear. traffic lights and electric lights, high-voltage wires envelop all five streets of this tiny village, once its name thundered throughout the country, they heard about kashlin, they had this, well, what’s it called, electrification, there was a torch for a candle, but a light bulb became a cure . it is in the village of kashina that ladygin’s lamp will be named after the world leader. of the proletariat, ilyach’s light bulb will go to the people in a figurative, in the most literal sense, plan for the electrification of the country, we humbly ask lenin’s comrades to come and share the joy that we feel at the sight of electric lighting in peasant lackeys. lenin came, made sure of everything and helped with modernization. soon a platinum and a turbine with a power of 120 kw appeared here. already 24 villages began to receive electricity and became famous for their first rural village in the u

because of the repressions against the populists, ladygin was close to them. scientist left russia, worked in europe and the usa, built an electric lamp plant for the westinghouse company, designed electric furnaces, electric cars, and welding machines. ladygin's patent, poor in america, was bought by thomas edison and, having modified the switch, demonstrated the incandescent lamp 5 years later as his invention. the truth is that eddie. was the first to produce incandescent lamps on an industrial scale and sold them on all continents, but the inventor of the lamp, which works on the principle of incandescent filament and illuminated our world throughout the 20th century, is the russian scientist alexander ladygin. on july 23 , 1974, the regime of black colonels collapsed in greece, this term was coined in the ussr, because the greek military had a black uniform, their rule became a symbol of black power. shares, but in general it was an ultra-right junta that carried out a coup back in 1967 with the approval of the united states. greece was considered a nato

exactly 150 years ago july 23, 1874 russian electrical engineer alexander ladygin received a patent,r as they said then , a privilege for an electric lamp. he experimented for a long time, selected material for the filament and settled on carbon rods, which he placed in a glass cylinder with the air pumped out. in the lamps of ladyga. installed in the admiralty on the streets of st. petersburg, he improved his invention, filled the flask with inert gas, began to use tungsten for the thread, out of repression against the populists, ladygin was close to them, the scientist left russia, worked in europe and usa, built an electric lamp plant for the westinghouse company, designed electric furnaces, electric cars, and welding machines. ladygin's patent, poor in america, was bought by thomas edison and, having modified the switch, demonstrated the lamp... 5 years later as his invention. the truth is that edison was the first to produce incandescent lamps on an industrial scale and sold them across all continents. but the inventor of the lamp, which works on the principle of incandescent fi

ladygin's lamps were installed in the admiralty on the streets of st.vention, filled the flask with inert gas, and began using tungsten for the filament. from repression against the populists, ladygin was close to them, the scientist left russia, worked in europe and the usa. he built an electric lamp plant for the westinghouse company, designed electric furnaces, electric cars, and welding machines. the patent of ladygin, who was in poverty in america, was bought by thomas edison and... having modified the switch, he demonstrated the incandescent lamp 5 years later as his invention. the truth is that edison was the first to produce incandescent lamps on an industrial scale and sold them across all continents. but here are the inventors of lamps operating on the principle filament and illuminated our world throughout the 20th century, is the russian scientist alexander ladygin. on july 23, 1974 , the regime of black colonels collapsed in greece. this term was coined in the ussr because the greek military had black uniforms, their rule became a symbol of

ladygin and edison, they were the same age, were born in 1847.raffic lights and electric lights, high-voltage wires cover all five streets of this tiny village. once upon a time, its name thundered throughout the country. have you heard that they have, what’s it called, electrification? there was lucina after-candle and it became ilyech’s light bulb. it is in the village of kashina that ladygin’s lamp will be named after the leader of the world proletariat. ilyich’s light bulb will go to the people in a figurative, in the most literal sense, plan for the electrification of the country, although electric lamps have existed for several decades , they only reach villages for widespread use in the twenties. we humbly ask comrade lenin to come and share the joy that we feel at the sight of electric lighting in peasant farmhouses. to the people. so many came that fit into the frame, this is what the power plant looked like, just two lamp posts and two light bulbs, its building still stands on the main street, inside is a real treasure - the heart of th

and became light a century and a half ago, our engineer alexander ladygin patented an incandescent lampg: for the first time in the northern capital the best groups, not only russian ones. so, sevastopol, very soon there will be the discovery of a new khersanes, the place where our orthodox civilization was born, a treasure of antiquities, a connection of times, which is felt in a very special way on the crimean shores. vitaly katchenko visited new khersanes today. history of 25 centuries. on the shores of the black sea, right here in 988 was baptized by the saint, equal-to-the-apostles prince vladimir, and this is already an architectural masterpiece of the 21st century, the only museum of christianity in russia, and perhaps in the world, like the dome of the hagia sophia in constantinople , modern istanbul, its diameter is more than 30 m, the entrance is guarded by mythical griffins animals with the wings of an eagle and the paws of a lion, in byzantium they symbolized the king of heaven and earth, the museum of christianity was conceived by emperor nicholas. in 1913 he signed the des

ladygin, secondary school number 14 in the city of mozyr.motto in life: don’t stress, just be happy. and teacher psychologist yulia aleksandrovna zelimova. mikhail lukashkov. gymnasium number 56 of the city of gomel named after vishnevsky, smart, mischievous and inquisitive. and mathematics teacher alexander alexandrovich gavrilyuk. bogdan bortsevich, secondary school number 39 named after lebedev, grodno. he is no stranger to mathematics, like winning as his best friend. and his class teacher, english teacher , kristina dmitrievna davydenkova. mikhail zaborovsky, secondary school number one in the city of shchuchino. modest. history and social studies teacher elena vladimirovna dimida is charming and purposeful. kirill doktorov, secondary school number 73 in minsk named after shmyrev. an inquisitive, smart and cheerful primary school teacher irina stanislavovna medvedskaya. dmitry grigorenia, secondary school number 200 in minsk. an erudite book lover and math lover and primary school teacher lyubov mikhail. tours, which means you are alrea

inventions were appropriated abroad, the first incandescent light bulb was invented by alexander ladyginan empire. the first airplane was created by alexander mazhaisky, and after 20 years of his invention were appropriated by the american ride brothers. and even the first electric car was designed in 1899 by the inventor railway worker and polit romanov. how do you like that, elon musk? you won’t believe it, but even the first mobile phone appeared in the ussr, thanks to the bright head and golden hands of a graduate. the story of alexey kozulin and denis morozov is about this forgotten fact in our country. my phone rang. checkmark, you're going to die now. i want larisa ivanovna. where it is on the fillet, cut to hell. doesn't wait for peritonitis. hello, hostel listen. call me, call. today it is difficult to imagine life without communication, destroying space. the revolution happened in the 19th century, on march 7, 1876, alexander bell received a patent for the invention of the telephone. it will be called the most expensive patent in the history of the world. the date of invention