"Resolved?" Tang Kuan was a little surprised and said, "Solve the eyesight problem? Dare to ask Zheng Qianqi how to solve it. ”

People's eyesight is almost innate, and occasionally there are people with outstanding eyesight, and they are also a minority, Tang Kuan heard Zheng Peng say that there is a way to increase people's eyesight, and the first time he was suspicious.

By keeping your ears to the ground, experienced people can hear the sound of horses' hooves coming from far away, and a special earthen vessel is inserted in the ground to listen to the situation underground, preventing someone from digging a hole in the ground to sneak in.

Tang Kuan knew these methods to boost ear power, but it was really unheard of to boost eyesight.

Guo Ziyi lowered his voice and said, "Third brother, this kind of thing can't be believed. ”

Zheng Peng said with a serious face: "Not kidding, General Tang, that gang of bandits is too cunning, it is very likely that there will be a fine work and internal help, it is estimated that there is no way to take him in a short time, or listen to Guo Baiqi's suggestion, make strategic adjustments, the production method of hot air balloons is also available in various military towns, you can prepare first, as for the problem of eyesight, leave it to me." ”

"Good! Ben will believe you once, remember, there is no joke in the army. Tang Kuan was infected by Zheng Peng's self-confidence and agreed on the spot.

Zheng Peng said with a serious face: "There is no joke in the army. ”

On the way back, Guo Ziyi couldn't help but ask, "Third brother, do you really have a way to increase people's eyesight?" ”

"Yes."

"Really? So amazing? ”

Zheng Peng said with a serious face: "Isn't the story said, clairvoyance, shunfeng ear." ”

"What? Tale? Guo Ziyi's eyes widened and said: "Third brother, that's a story, many of them are made up, clairvoyance can really see thousands of miles?" Can you hear people talking far away? Can you believe it? , what else is there in the mythical story of earth shrinkage, flying technique, people can run 3,000 miles a day, and with the movement of their fingers, they can turn the words thousands of miles away, can you believe it? There is no joke in the army, if you really can't get an auxiliary device that can help your eyesight, General Tang will definitely punish you. ”

Stories, a lot of them are deceitful, two lips touch, what do you want to say or not, you can't get into trouble for the sake of a momentary tongue.

There is no need to guess, Tang Kuan's mood must be very bad now, if he lies to him, there will definitely be no good fruit to eat.

"Big brother, don't worry, since I said it, there must be a way, you just wait for the moment to witness the miracle." Zheng Peng said confidently.

I really want to say that in the era of advanced science and technology in later generations, spy satellites can monitor people thousands of miles away, and special eavesdropping equipment can overhear the voices of people talking far away, and get on a plane, let alone 3,000 miles a day, 30,000 miles is not a problem, move your fingers to dial your mobile phone, and in the blink of an eye, you can chat with people thousands of miles away without any obstacles.

However, for Guo Ziyi, these are simply fantastical, if you can't figure it out, you can find a Lang Zhong to help you see it, do you want to close the Crazy Man Tower.......

All along, Zheng Peng has been following the trajectory of historical development as soon as possible and not to destroy this balance, however, in just a few days to the Western Regions, the beauty in his heart was defeated by the cruel reality, and he finally couldn't help but take action to end this inhumane way of playing as soon as possible.

In any case, we must correct the Fa as soon as possible by those brutes who think they are smart and regard ordinary people's lives as playthings.

Seeing Zheng Peng's rare serious expression, Guo Ziyi didn't say anything more, just nodded lightly.

Although Tang Kuan was unwilling to admit it, the reality told him that Guo Ziyi's proposal was right, and he convened people to discuss that night, and took the lead in changing from extermination as soon as possible to strategic defense.

After the meeting, the armoury in Khotan Town began to get busy, and began to mass-produce hot air balloons for surveillance.

Zheng Peng ignored all of these things such as meetings and defense, and took Ah Jun and a few cronies to start tinkering in the cave next to the barracks.

Li Xiancheng was very curious about what Zheng Peng was going to do, and tried to go in to watch, but after being forcibly intercepted by the Ah army, he also gave up, but threatened that if Zheng Peng couldn't get something to help his eyes, he would consider investigating Zheng Peng for the crime of slacking off the army.

"Go, the blacksmith in the army will type it out according to this pattern, and the speed must be fast, and it will be done early tomorrow morning."

"There's a drawer here, and the wind is strong."

"This one is a purchase list, use a fast horse to buy it."

"What do you want sand for? It's wet here, so spread me a two-foot-thick layer of fine sand as fast as you can. ”

......

Zheng Peng kept sending out the numbers, asked his subordinates to run errands, and also drew a lot of craftsmen from the workshop in Khotan Town to help, and soon turned the requisitioned cave into his own secret workshop according to his own ideas.

What Zheng Peng wants to do is a telescope that will be widely used in military and science in later generations.

In 1608, Hans Lieberch, a Dutch optician, stumbled upon the idea that he could see in the distance with two lenses, and he built the first telescope in human history. In 1609, Galileo Galilei, a native of Florence, Italy, invented the 40x double-mirror telescope, which was the first practical telescope to be put into scientific applications.

The principle of the telescope is very simple, it is reflected by two lenses, and Zheng Peng did this project in the scientific interest group in his previous life, so he is no stranger to it.

If you want to make a telescope, you need a lens, and if you want a lens, you need to use glass, and what Zheng Peng has to do now is to make the glass out.

The production of ancient glass is very simple, you can get it by melting quartz sand and natural soda together in a furnace, there is no difficulty, Zheng Peng just needs to get the glass out, such as polishing these things, and instruct those craftsmen to do it.

Under Tang Kuan's recommendation, the strategic plan for the Western Regions was formulated by Guo Ziyi.

Re-rules the camp, patrol routes, persuade the people to gather, organize the township brave group and other work, Guo Ziyi is busy every day, I don't know if it is luck or the bandits feel that the recent actions are too frequent, half a month has passed, the Western Regions are calm, and the gang of bandits has not appeared again.

After Guo Ziyi's proposal was adopted, he has been assisting Tang Kuan in Khotan to work hard in the direction of strategic defense, readjusting the camp, defense area and patrol routes, which is a huge project, and it is necessary to be distracted from taking care of various fortresses and outposts, in addition to the fact that the people in the suburbs are concerned about the defense of the people, and it took half a month before Guo Ziyi, who was borrowed, returned to the camp of the Tiger Battalion.

When he returned to the camp, he was about to ask Zheng Peng how the eyesight tool was doing, but Tang Kuan was still thinking about it, when he suddenly heard someone yelling: "Okay, great, finally let me get it." ”

Third brother?

When the Tang people call themselves, most of them like to use "so", Zheng Peng is different, he likes to use "I" to express, and he also explains that it is his own slang, as soon as he hears the familiar voice and the unique "I" word, Guo Ziyi knows that it is Zheng Peng.

When he raised his eyes and looked at the cave next to him, he saw Zheng Peng dancing at the entrance of the cave, holding a strange thing more than a foot long in his hand.

Got it out?

Guo Ziyi's heart was excited, and he didn't care about riding a horse for a few hours, so he pulled his legs and ran to the cave.

"Hey, big brother, are you back? Is that plan complete? Seeing Guo Ziyi coming back, Zheng Peng paused for a moment and quickly said happily.

Guo Ziyi dealt casually: "It's done, it's not a big deal, by the way, third brother, what did you shout just now, what did you get out, what did you get out, it's the weird thing in your hand?" ”

Zheng Peng raised the cylinder telescope in his hand and said with some pride: "Big brother, this is not called a strange thing, it is called a telescope, with it, your eyesight has increased so much that you can't believe it." ”

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