1, Mu Ren pastoral
We now have drones, which actually existed in ancient times, but they were not called drones at that time, but called Mu Ren Pastoral, which was made by Lu Ban to detect the war situation. In fact, it was really great to invent an exquisite drone at that time, which could fly for three days without landing.
2. Ice guide
Is there only a refrigerator in modern times? No, no,no. The brains of the ancients were very clever. Although influenced by the technology at that time, the ancients invented something similar to a refrigerator, called an ice guide. The ice guide has two layers, the outer layer is filled with ice cubes, and various foods can be placed inside. There are also several small holes in the cover of the ice guide, so that the cold air inside will leak out continuously, so it can also be called in the air. It is really an all-in-one refrigerator and air conditioner.
3. Seismograph
As we all know, the seismograph was invented by ancient Zhang Heng. This is the first seismograph in the world. However, it was not until 1880 that instruments similar to seismographs were invented in western countries, which was later than Zhang Heng's invention 1700 years ago.
4, follwed caliper
If you see the calipers of Wang Mang's period, you will admire the minds of the ancients. It is almost the same as today's calipers. You really have to admire the wisdom of the ancients. The only difference is the material. The ancients used bronze.
5. Remember to drum up the car.
Remember that drum cars are actually ancient taxis. It's strange that there were taxis in ancient times and they could record kilometers. There are two Woodenhead standing in its car, with drumsticks in their hands. When the carriage travels to a certain number of kilometers, Woodenhead will ring the drumstick in his hand.