If you like the subject matter of detection, you know that fingerprints are the most important part of detection technology, which is particularly mysterious to children. I have taken my daughter to many big museums, but this very humble museum can arouse her curiosity most. In her words, bronze cultural relics can be exhibited because they are easy to preserve. How to "display" fingerprints?
The fingerprint museum has more than 1500 objects and 1000 pictures, which are collected from all over the country. If you don't pay attention, you may think that some ancient pottery is decorative. If you pay attention, you will find that there are some clear fingerprints on these objects, such as ever-burning lamps and containers, which are actually left by the producers intentionally or unintentionally. Some craftsmen are even inspired by this. They use fingerprints to draw exquisite patterns on some pottery. ? Among the objects exhibited in the museum, the contracts and documents from the middle and late Qing Dynasty to the Republic of China are the most. An interrogation record of September 14 in the 26th year of Guangxu left the revolutionary's left hand and all his hands. "This shows that the use of fingerprints was already high at that time." The development of modern fingerprint technology is also an important part of museum exhibitions. At present, the most widely used fingerprint technology is certainly in the field of police investigation. Many cases are solved because of fingerprints left by criminal suspects. There are many precious historical cases in the pictures exhibited in the Fingerprint Museum.
People's fingerprints have a three-dimensional sense because they are uneven, so they have lines. The convex line is called mastoid line, and the concave place is called small furrow. According to the central pattern and triangle shape, fingerprints can be roughly divided into "bow", "dustpan" and "bucket". You know, people start to grow fingerprints when the fetus is three or four months old. (There are extremely precious baby specimens in the museum for observation) Since then, it has become attached to the skin, and the skin does not disappear, and the fingerprints remain forever. And even twins don't have the same fingerprints. No wonder they are called "infallible proof forms".
Isn't such a museum in a high position?