Which country invented the world's first car, computer, telephone, postcard and camera?

1886 65438+1October 29th, [lssdjt.cn] two Germans, Jukal Muz and gottlieb Demler, obtained the patent right of the world's first automobile, which marked the birth of the world's first automobile. 1946 In February, the world's first electronic computer ENIAC was born in the University of Pennsylvania, and its appearance was of epoch-making significance. From the birth of the first computer to the present, computer technology has gone through the stages of mainframe, microcomputer and network. For the traditional mainframe, according to the different electronic components used in computers, it can be divided into four generations: electron tubes, transistors, integrated circuits and large-scale and ultra-large-scale integrated circuits. Bell, the famous inventor of the telephone, applied for the telephone patent in the US Patent Office on February 1876. In fact, just two hours after his application, a man named e? Gray's people also applied for a telephone patent. Postcards have been published 130 years. According to historical records, one day in June of 1865, 10, a German painter drew a very beautiful picture on cardboard and prepared to give it to a friend as a wedding souvenir. But when he mailed it to the post office, the envelope sold by the post office could not hold the photo. When the painter was in a dilemma, a postal clerk suggested that the painter write the address and name of the recipient on the back of the painting and then send it. Sure enough, the "picture" without an envelope was sent to a friend like a letter. In this way, the world's first self-made "postcard" was quietly born. From this perspective, postcards are the invention of artists and postal workers. In the same year1Oct. 30 165438+ At a congress of the German Postal Federation, it was suggested that for the convenience of writing letters, a letter that does not need to be sealed can be used. However, this proposal was not adopted because the delegates had different opinions. The first one was made by the Frenchman Joseph Nipps. That is a box, which contains the most original movies. There is a hole in the box, and the model can finish the exposure two hours before sitting in the hole.