The emergence of the first hydrogen lamps

In 1780, the first hydrogen lamps appeared, which were burned with electricity. 25 years after this event, scientists managed to make the heated wires of platinum or gold emit light. At the same time, Russian scientist Vasily Petrov created a luminous arc between two coal miles. In 1811, the first gas lamps appeared in the world. In 1855, The American chemist Seliman created the first white oil lamp. And in 1872, the first incandescent lamps appeared, which revolutionized lighting.