1, the use of natural fire is the first milestone in the evolution of ancient apes to apes.
2. Drilling wood for fire has completed the evolution from ancient apes to apes.
3. Using and making stone tools has opened the door to the transition from apes to humans. The ape finally became a man, and man became the master of nature. Humans entered the Paleolithic Age and the Neolithic Age. With surplus products, commodities and commodity exchanges, and commerce, mankind has entered a class society. Enter the primitive society.
4. Since human beings have mastered bronze and iron smelting technology, they have greatly liberated social productive forces, pushed human society into the metal age, and entered the slave society and feudal society.
5, the invention of the steam engine, once greatly liberated the productive forces, so that mankind entered the industrial revolution, entered the era of machine mass production, and produced the modern productive forces of capitalism, which inevitably required the establishment of capitalist relations of production. The bourgeoisie overthrew the landlord class and established a capitalist social system.
6. The invention of gunpowder enabled human beings to split mountains, clear roads and build bridges, which promoted the great development of various undertakings. The rapid development of military industry has made mankind enter the era of hot weapons from the era of cold weapons.
7. With the emergence of papermaking and printing, human beings have written conditions, which has promoted people's extensive exchanges in culture, art, language, science and technology, economy and so on.
8. The invention of the compass promoted the development of navigation and trade, and completed the great geographical discovery. Let people know about the earth.
9. The scientific and technological achievements of hybrid rice and super rice have greatly increased the grain output and solved the problem of feeding the world population.
10, the invention of electricity made mankind enter the era of electrical appliances and once again stimulated the great development of productive forces. Bring light to the whole world.
1 1. The discovery of radio waves has led to a series of major inventions. The popularity of television, mobile phones and telephones has greatly enriched people's material life and cultural life.
12, the creation of computers has brought the world into the information age and shortened the distance between the worlds.
13. the successful development of satellites and spaceships has enabled mankind to leave the earth and develop space. Make the earth smaller and smaller.
14, China parasitic star and other anti-satellite weapons were successfully developed, which made mankind face a space war.
15, genetic engineering should be brought to mankind as it was in the Cologne era.