Ma Jun: A famous scientist during the Three Kingdoms period, he invented the lost southern car, invented the water turning car, and the cylinder car.

Ma Jun was a famous scientist during the Three Kingdoms period. He has improved the weaving machine and puppets made by his predecessors, and once again invented the lost guide car and invented the water turning car

"Coincidentally

It can be seen that it is very different from the previous repeating crossbow, and secondly, it is believed that it can also evolve into a burst of fifty arrows. It was hoped that the imperial court would set up a project and let him experiment and promote it, but the result did not attract attention. This provides an extremely important clue for later generations to develop Zhuge repeater. There is a small wooden figure on this guide car, and no matter how forward, backward, or turning, the little wooden man's hand is always pointing south. This device resembles a modern auto-direction finder. Later, in the Wei and Jin dynasties, there were Jili drum cars. The drum car is divided into two layers, with a bell on the upper floor and a drum on the lower floor. There was a wooden man in the car, with a brocade robe, sitting on the lower floor of the car. The car walked ten miles, and the little wooden man beat the drum once; Every ten times the drum is beaten, the little wooden figure rises to the next level, and the bell is struck once, which is very interesting. This device is realized by using the principle of gear transmission, in fact, many odometers used in our cars now use the same principle, and there is no difference from this mileage drum car.

"Back to the Eastern Han Dynasty" Ma Jun is playing in his hand, please wait a while,

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