(Thanks to the tip of "Ten Nights of Ink Dyeing".) It's late today, sorry. ）

If Ding Bao guessed correctly, the so-called "Ice and Fire Alliance" in the last article of "Hong Gong's Dream Eight Articles" is actually the legendary "Ice Mirror for Fire".

And the ice mirror made by "cutting ice to make a circle" is a convex lens.

Reading through this verse, Ding Baoluo groaned slightly, and said slowly: "I can try it, but I don't guarantee that it will work." ”

Kong Lianyi's eyes lit up, he almost jumped up, and shouted in a childish voice: "Big brother, could it be that this ice can really make a fire?!" This, too, is incredible! ”

"It's just an attempt. However, since the first seven articles of this book have all been tried, it shows that although the dream is ridiculous, it is not a fool. Why not have more faith in this last one? Ding Bao said with a smile.

Kong Lianyi was slightly disappointed when he heard Ding Bao's explanation, but thinking of the eldest brother's unpredictable style, he couldn't help but suspect that he was being modest, so he regained his vigor and said with a smile: "Although the eldest brother can try it with confidence, if you need anything, you can hand it over to the younger sister to ......do it."

"That's not necessary, this thing may not be able to be done in three or five days, if there is anything I need to call your brother to do, it will be done."

One sentence made Kong Lianshun tremble with excitement, his black face turned red, and he almost bowed without bowing his head, calling out for the order of leadership.

It's over, and I glanced at my sister Kong Lianshun with my eyes, with a look that I couldn't hide, did I see it, let you be like a ghost, and drink my brother's footwashing water, you recommended yourself and couldn't get it, brother, I didn't say a word and sat on Diaoyutai, but I was directly selected by Brother Ning as an arm helper!

"Then the little sister is responsible for helping her brothers deliver breakfast every day!" Kong Lianyi was unconscious, raised his little apple face, and said with a clear voice.

After Ding Bao hummed, she looked back at Kong Lianshun with a smile, her eyes narrowed like a little fox ready to steal food.

Early?!

Still daily?!

Kong Lianshun's complexion changed suddenly, and his previous color disappeared in an instant, and he immediately looked at his nose and nose, his face was solemn, but he was bitter in his heart, thinking about how to find a way to find his sister to ease up, otherwise it would be dead......

The three of them chatted for a few words, and before returning, Kong Lianyi couldn't help but be curious, and asked, "Big brother, how sure are you?" ”

"It's hard to say. If you want to do this, you need to know the truth and the method is not enough, you also need to have craftsmanship, weather, and a little luck. There are so many unpredictable factors that I can't predict right now. Ding Bao pondered carefully, but still answered cautiously.

Kong Lianyi didn't say anything more this time, nodded obediently, and turned to leave.

Ding Bao was so cautious in this matter, not because he was pretending to be modest or deliberately hiding it, but because he really didn't have any certainty.

The saying of "ice mirror for fire" has existed since ancient times, and its reason is also very simple, the ice mirror is cut into a flat circle, the two sides are bulged into a sphere, and then facing the strong sunlight, the principle of focusing heat generation with a convex lens is used to ignite the dry firewood and grass to make it a fire.

Similar principle, there is also a magnifying glass that I played with when I was a child.

Ice cubes are different from glass products, first of all, it will slowly melt under strong sunlight, secondly, it is difficult to ensure that the ice surface is absolutely smooth, and secondly, it is difficult to eliminate the bubbles in the natural ice, and it is impossible to ensure absolute crystal clarity, which will cause various refraction scattering when sunlight passes through, and cannot completely gather heat......

Anyway, there is a fact that as a child who grew up in the north, Ding Bao has been going to the river and lake every winter since elementary school to try to catch ice, but he has never succeeded. It wasn't until my sophomore year that I read a relevant record that Zheng Fuguang in the Qing Dynasty used a concave-bottomed tin pot, filled with hot water, and rotated it on an ice cube to obtain a well-shaped ice convex lens, and used it to focus on the sun to make the fire coal burn.

With this, he did it countless times before he finally succeeded in that one, and that time it was an unnatural ice frozen in the refrigerator with a porcelain bowl, but now, the ghost refrigerator?!

"Brother Ning, the little brother is ready, let's start with the two of us! What to do first?! ”

Kong Lianshun rolled up his sleeves, stood up highly, straightened his chest and abdomen, rubbed his palms, and was excited, and even a layer of oil even appeared on his dark face.

"Lunch break."

“……”

In his memory, Kong Ci had not felt such urgency and excitement for a long time.

That day, after Kong Lianyi brought back Ding Bao's reply that "I will try, but I am not sure", she actually no longer had any hope in her heart.

Because of this matter, she has tried piecemeal for nearly ten years, and almost all kinds of methods have been tried, but the result is not only nothing, but not even the slightest sign of success.

This extremely rare helplessness and frustration has simply become a lingering obstacle and nightmare in her heart to pursue the ultimate perfection in everything.

The reason why she wanted to entrust Ding Bao with this matter through the mouth of Kong Ripples that day was that in addition to the impulse caused by her feelings, the most important thing was that she hoped that this magical Ning Gongzi had heard and witnessed it, or had made a similar attempt herself, and she did not want to succeed, even if she could provide some new ideas.

But judging from the reply, Ding Bao doesn't seem to be a person who has made in-depth attempts, so he is quite regretful and disappointed in his heart.

Who knew that less than two days later, suddenly the peak turned around, the willows and flowers were bright, and the letter came over there, and made an appointment at noon tomorrow, in front of the Song Pavilion in the west of the city, to show the wonder of the "Ice and Fire Alliance".

So she didn't know how she spent her day, she felt that every minute and second was so difficult, and for the first time in her life, she truly understood the profound meaning of the word "living like a year......

I didn't sleep much all night, and early the next morning, I was still in good spirits. solemnly groomed and dressed up, and then went to call Kong Lianyi to prepare the carriage, and was yawned by Kong Lianyi complained fiercely, saying that it was still early, dragging her to eat early, and then playing double 6, and won her for the first time, so happy that the little girl screamed......

Counting the points, the two of them rushed to the green Tage Pavilion just before noon.

Kong Ci and Kong Lianyi traveled together, no need to be instructed, someone cleared the venue in advance, so in the past, in front of the farewell pavilion, only an ordinary vermilion lacquer carriage was parked.

"Big brother, they've arrived." Kong Lianyi cheered and jumped down from the carriage first.

Kong Ci didn't get up, but only lifted a corner of the curtain, and slightly opened a slit in the heavy veil in front of the hat, revealing a pair of bright and bright gemstone eyes like the full moon of the Mid-Autumn Festival, and white skin like snow, on which there was a little bit of rose-colored faint glow.

Two shallow curved eyebrows, indifferent, detached, but extremely elegant, but also pure white.

"Hey, why is it only you, big brother?"

"Brother Ning has already taken the lead. Today's reality is all shown by Master Ben, cough, and Brother Ben. ”

"Phew, nonsense! Big brother hasn't said goodbye to me yet! Kong Lianyi crossed his waist and said angrily, rushed into the carriage with a fierce momentum, searched around, and when he came down again, his mouth was deflated, as if he was about to cry.

Kong Lianshun knew that he was entangled with her, so he stopped talking nonsense, took out the freezer from the car, opened it, and a cold air came to his face. On the ground floor and on all four walls, in the middle of the freezer, there are three large ice mirrors that are smooth and dazzling.

In fact, this time, in order to have contacts and not owe favors, Ding Bao can be regarded as having a big thought.

First of all, he prepared the materials, and in order to ensure that the crystal clear and no bubbles, he decided not to use natural ice and make his own ice.

Boil water in a small wok, boil it and then let it cool, fully drain the bubbles, and bury it in the depths of the ice cellar to freeze. After freezing into ice cubes, choose one with high crystalline and transparency, and use a knife to carve a rough shape of an ice convex lens, that is, thick in the middle and thin at the edge.

Subsequently, the temperature of your own hand grinds the two sides of the ice lens to be more fine and smooth, ensuring that the edges are thin and the curves on both sides must be smooth, forming a perfect ice lens, just like a real glass lens.

Even if it is meticulous to this extent, the success rate is still extremely low, and the firewood only smokes once.

Although this time he almost scared Kong Lianshun down, Ding Bao was very dissatisfied, and tried many times, so that the lens can be made as large as possible with the same level of fineness, so that it can gather more sunlight, so that it can gather enough heat to light the firewood before melting.

At this time, the three ice mirrors in the freezer were the three pieces that Ding Bao felt were the most complete and the most finely made.

Kong Lianshun has been inseparable from Ding Bao for three days, and naturally knows the importance and rarity of these three ice mirrors, which is equivalent to having three chances to complete them, so although Kong Lianyi around him is no longer noisy, and the attraction is all cast here, extremely quiet and virtuous, he is still faintly nervous.

He took a deep breath, set aside the pile of dry firewood and sawdust, took out one of the large ice mirrors, adjusted the angle, faced the sun, moved around above the small pyre, and silently recited the method taught by Ding Bao in his heart, looking for the brightest spot, and then put the brightest spot on the dark part of the pyre.

There was no more waste of a hard-won ice mirror, which could be called a work of art, and before the first ice mirror melted and deformed, the pile of firewood had already begun to smoke, and then, slowly, sparks burned...... Later, under Kong Lianshun's careful care, it turned into a small bonfire.

The Ice and Fire Alliance, that's it! And in such a direct and indefensible way!

Before stepping into the Song Pavilion, he suddenly fell into a strange silence, and for a while, even the sound of the wind seemed to be extinguished......

In the small forest half a mile away from the Tage Pavilion, the two horses stood side by side, and it was Ding Bao and the eccentric old style. Seeing smoke coming from Yaoyao, Ding Bao's expression was relieved, and he said with a smile: "Kong Lianshun, this kid has finally used it once." Let's go, too. ”

"Since you're not at ease, why don't you do it yourself?" Old Wind rolled his eyes and grunted.

"Some people try not to do it, but there are some things that must be done. After chatting with Kong Lianshun yesterday, I realized how much face and how precious it is to borrow this 'Yansheng Grass Garden' for two months, if this little idea of the girl's family is not completed, how can there be a face to live in the door......"

As he was talking, a woman's graceful singing voice suddenly sounded over there, the words were ancient, the meaning of which was unclear, not like the tactful lingering of ordinary women, but more like a golden iron horse, a sassy meteor, and a heroic meaning that went straight to the chest.

Ding Bao was stunned: "She actually appeared with me?" ”

"Wrong. No one in the world knows that this beloved daughter of Kong Shenggong is always guarded by two masters who are among the top 100 immortals, who have bad intentions, and who suffers a tragic death. They can show you up naturally. ”

Ding Bao's heart was slightly cold, he closed his eyes and listened to the singing for a while, suddenly laughed loudly, turned over and dismounted, patted the horse's buttocks, and returned to the mountain, "Old Feng, let go of the horse, how about the two of us?" I counted to three, together. ”

"Okay." The old wind is happy, there is a way to learn, dismount and release the horse.

"Three."

“……”

Lao Feng's eyes widened, his mouth opened wide, and he buckled the dust that filled his mouth. It's bitter.

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