Geology: The ancient geology of China divided the direction and shape of mountains into water, gold, fire and wood. And the analysis of the properties of underground objects-fixed appearance and very accurate. As for why it hasn't spread to the present, it's because the thought of our country is motionless. Kinetic energy is chaotic, chaotic. Later, some superstitious statements were denied and abandoned by modern knowledge.
Theology: I tend to dance to gods and witchcraft. Jumping into the Great God and its later development in ancient times mostly inherited the teachings of ethnic minorities. Witchcraft developed from martial arts in the Zhou Dynasty to folk spread. There is something useful. If a person's eyes are swollen, the hospital can only name the infection after spending thousands of dollars, but it is even worse after using a lot of drugs. After looking at it, someone said that something in the house had moved at some time. The method is to click the paper once at a certain time and read the words once. . . The weather was fine the next day.
Feng Shui: It is related to geology. This world is mostly used for families, factories, actions, etc. The application success rate is 50%. I dare not assert superstition or incompetence.
Hacking technology can be learned now; Weapons knowledge can be consulted; People also have some secrets.