After saying goodbye to Nicos, Tengen and Hercules immediately rushed to Radamandis's residence to report.

"I'm back so soon!" Radamandis saw Tianxuan and Hercules rushing in excitedly, and knew that there was something happy, so he quickly got up to greet him.

"Of course! I have something important to report to you! Tianxuan just stopped and didn't take a breath before he couldn't wait to say, "Your Excellency Commander, I can basically communicate with the Demon Butterfly of the Underworld now, and it can trigger a swarm of quicksand according to my wishes." ”

"Haha! What a happy event! Radamandis, who had been frowning, smiled at this time.

"No, no, no, it's not over yet!" Speaking of this, Tianxuan stopped coughing.

Seeing this, Radamandis hurriedly got a glass of water and handed it to Tianxuan, and said kindly: "Young man, there is still a lot of time, don't rush, speak slowly." At the same time, Hercules slapped him on the back to help him get his way.

After drinking the water and calming down, Tianxuan informed his plan: "Your Excellency, Commander, I want to use the time when the Demon Butterfly of the Underworld triggers a group of quicksand to turn the sand into glass and build an underwater glass tunnel. In this way, our army can cross to the other side without even noticing. ”

After listening to Tianxuan's proposal, Radamandis was overjoyed and inquired in detail about the specific plan. So, Tianxuan took advantage of the situation to tell Radamandis about Nicos's plan to teach him how to make a glass tunnel.

For Tianxuan's plan, Radamandis attached great importance to it, and he immediately gathered people one hour in advance, held a military meeting, and expressed Tianxuan's battle plan to everyone in detail.

After a short discussion, Tianxuan's battle plan was unanimously approved by everyone. At the end of the meeting, Tianxuan was appointed as the head of the Glass Tunnel, and Hercules was appointed as the Pioneer Commando to train the team.

After Tianxuan and Hercules separated, they directly approached Nicos and invited her to help him complete the construction of the tunnel.

"How? I'm still very useful when it matters! Nicolas puffed up her chest as she curled her long hair with her fingers.

Tianxuan smiled, and hurriedly arched his hand and said, "That's it, you are a woman who combines beauty and wisdom!" ”

"That's pretty much it!"

"Then let's go! Everyone is waiting for me to build the tunnel! ”

Nicos glanced at Tianxuan and said calmly: "What's the hurry, you're all here, go see Heikaty, she just wants to see you." It's never too late to talk and go. ”

Tianxuan looked at Nicos's stubbornness, exhaled, and had to go to meet Black Carty first.

"Hi Black Katy, how are you feeling!"

At this time, Hei Kati was sitting and combing his hair, and when he saw Tianxuan coming, his eyes widened, and he was shocked, so he hurriedly put down the things in his hand and sat down seriously.

"What's so formal!" Tianxuan said with a smile.

"No... Nothing, it's just a pleasure to meet you! Black Katy said with her head down.

Tianxuan smacked his lips, shook his head and said, "I don't see where I'm happy!" ”

Black Katy sneered, touched his nose with his fingers, and said, "Aren't I happy now!" ”

Then, neither of them spoke, but they laughed at each other.

After a while, Heikaty broke the deadlock, looked at Tianxuan deeply and said, "Thank you, for saving me and hurting you." ”

The corners of Tianxuan's mouth rose slightly, and he said lightly: "If you change to someone else, you will be like this, don't be too entangled." Besides, my injuries are healed now! ”

"Healed? But I saw that it was all bleeding, how could you be so comforting! Black Katy's face was slightly red, and he lowered his head and smiled.

"Really!" As he spoke, Tianxuan lifted the sleeves on his arms and said to Black Katy, "Look, healed completely!" ”

Hei Katy's eyes widened and looked at Tianxuan's arm, it was indeed good, and asked in surprise, "What's going on?" ”

So, Tianxuan told her about the demon butterfly in the underworld.

After listening to this, Black Katy couldn't help but be amazed, and said that he must see this species with his own eyes after his injury is healed.

After visiting Black Katy, Nicos and Tianxuan went to the shore where the demon butterflies of the underworld roosted, and everyone had been waiting there for a while.

After Tianxuan came to everyone's side, he arched his hand to express his apology for being late, and then began to organize the construction of the glass tunnel.

Tianxuan first walked under the tree and stretched out his arms to attract the demon butterfly of the underworld. After communicating, the Demon Butterfly of the Underworld flew to the River Styx as it wished, flapping its wings, triggering a swarm of quicksand.

First, a group of foundries started laying a slab of quartz sand with redstone on the back, starting from the shore as planned.

Second, another group of foundries operated mechanical tentacles to clamp the metal conductors between the quartz sand slabs from both sides.

Finally, when the redstone and metal conductors are connected to generate an electric current, the caster inserts a heating rod into the interlayer of the plate to heat it further.

Soon after, a smooth glass platform was completed. In order to determine the stability, Tianxuan also found someone to jump on it to determine its stability.

Of course, no matter how the stability is tested, it is completely hard enough, because the crystals formed by quartz sand and other chemical raw materials cooled after high temperature firing have hardness, anti-wear, high light transmittance and anti-corrosion characteristics. Such a glass platform can withstand all kinds of shocks and explosions.

Then, the demon butterflies of the underworld continued to trigger a group of quicksand, extending towards the opposite bank in an S shape.

"Why doesn't this butterfly go in a straight line?" Nikos asked, pointing to the Underworld Demon Butterfly.

Tianxuan touched his chin and said, "I don't know, it should have its own ideas when it does this, but it can always get to the other side in the end." Let's just follow it and lay the platform first! ”

After the platform on the ground floor was laid, the foundry dragged in a semicircular cover. This hood is a tunnel roof structure designed according to Nicol's scheme.

When these semicircular covers, which are 12 meters long and 6 meters high, are attached to the platform, the demon butterflies of the underworld fly back and flap their wings, and after a while, countless sand dunes gather together, as if they are striking the platform from both sides like a sandstorm.

Immediately after an electric spark flickered, the top of the transparent semicircular glass was transformed. But the work was not over, and the foundry made high-temperature cuts on the glass top in addition to welding the gaps.

"Isn't Nicolas all built? What do you need to heat and cut on this top? Tianxuan asked suspiciously, pointing to the top of the tunnel in front of him.

Nicolas put her hands behind her back and held her head high, "This is tempered glass, which is cut to the required size by ordinary annealed glass, then heated to a temperature close to the softening point, and then cooled quickly and evenly. ”

"What's in it for that?"

"Humph!" Nicols pursed her lips and smiled, and said, "After treatment, uniform compressive stress is formed on the surface of the glass, and tensile stress is formed on the inside, so that the bending and impact strength of the glass can be improved, and its strength is about four times that of ordinary annealed glass. ”

After listening to Nicols's introduction, Tianxuan personally walked to the mouth of the tunnel, stood on the edge of the semicircular frame, and took a closer look, and sure enough, he found that there was a layering of glass in the glass. I couldn't help but sigh: "Oh! It turns out that this is basically the same principle as the 3C tempered glass on the ground. However, the craftsmanship of this glass tunnel is superior. ”

When the construction was completed, an underwater glass tunnel was completed on the two banks of the River Styx. At this time, there were still 10 hours before the failure of the chips in the nuclear plant.

However, for the sake of safety, Radamandis still asked Hercules to lead a reconnaissance team of 500 people to drive the land and water pioneers to explore the opposite side first, and Brentel also came with news at this time: reinforcements were coming at an accelerated pace, arriving in about 6 hours.

Read the first book of the King of Books novel