What is an out-of-body experience

There is an out-of-body experience in Taoism in China, which many people think is nonsense or a Taoist myth and legend. In fact, they are quite familiar with the human body. They have cultivated the body (life) to a certain extent, and the soul, that is, your mind (a set of brain waves), can exist independently from the body. Ordinary people can only leave the body after death (haunted). Actually, some people just don't understand. Taoism has actually mastered the deepest scientific knowledge such as numerology, astronomy and geography. Generally, we don't understand what the housekeeper has been serving. In fact, the use of some Taoists, such as walking through walls and flying swords, has reached a deep level. In modern terms, overcoming gravity, space displacement, wormholes and the like can allow atoms of the body to pass through matter (through walls),,,