What is the significance of the invention and application of printing for the inheritance and dissemination of knowledge?

1. Printing makes large-scale bibliographies more convenient for mass production, subverts the disadvantages of slow handwriting time and low efficiency, and makes important ancient books and classics spread more widely. 2. Compass songs help people keep their direction in the wild or sailing, and promote people's cognition of the world and even the great geographical discovery hundreds of years later. Gunpowder pushed the war from the cold weapon era to the hot weapon era in the 8 th and 9 th centuries, which promoted social development; Papermaking 65438 BC+040 BC-88 BC (hemp paper) The transformation of Cai Lun in the Eastern Han Dynasty made writing easier. The invention of paper greatly promoted the development of all walks of life, especially the cultural industry and handicraft industry. The low cost of paper and its convenience in writing and preservation have had a great impact on the world calendar. Movable type printing 1064- 1067 makes book typesetting more convenient, saves resources and promotes machinery industry. 3. The main points are as follows: 1. There are more fonts and fonts than before. The typesetting speed is faster than in the past. 3. The layout is flexible and diverse. 4. The visual effect of typesetting is good. Directly affected the quality and price of newspapers and periodicals. 4. Generators made by Siemens in Germany; The Belgian Aker invented the electric motor; German karl benz successfully built the first car driven by an internal combustion engine. Diesel locomotive, ocean-going ship, airplane, etc. It has also developed rapidly. The invention of internal combustion engine also promoted the development of petroleum exploration and the emergence of petrochemical industry. 5. Animal embryo engineering: in vitro fertilization, embryo freezing, micromanipulation, etc. The launch and application of various satellites. We need satellites to forecast the weather, we need satellites to watch TV and we need satellites to make phone calls. It is a brand-new perspective and has a great influence on human thinking. The aerospace field is also a high-tech testing ground. Many new materials and technologies were first applied in the aerospace field, which promoted the development of science and technology.