Chapter 927: Chapter 376 Great Invention_3 Chapter 927: Chapter 376 Great Invention_3 Yang Qi said, “Indeed, it is our latest scientific research achievement. In terms of practical value, I believe it is far more important than all of our past research achievements combined.”

Yan Fei was somewhat astonished; Yang Qi's laboratory had produced many useful scientific research achievements, among which the most cutting-edge included the Super Photon Computer and the Artificial Intelligence “Dream.” However, Yang Qi claimed that this stone tablet-like item was more important than all previous research achievements.

Unable to contain his curiosity, Yan Fei asked, “Could it be more important than the laboratory's supercomputer and Artificial Intelligence?”

Yang Qi did not respond to Yan Fei's question but instead used the Artificial Intelligence “Dream” to erect and secure the white stone tablet in the weapon laboratory, making it look like a target. Subsequently, a series of weapons appeared in the laboratory. These included a small-caliber assault rifle, a 12.7-millimeter Heavy Machine Gun, and a 30-millimeter Naval Cannon. Under the control of “Dream,” these weapons were aimed at the white item in front of them.

Yan Fei said, “Are you going to conduct some sort of test?”

Yang Qi replied, “I'm planning to test the strength and hardness of this cement board.”

Yan Fei, taken aback, said, “You say this thing is cement?”

Yang Qi explained, “You could call it cement, but it's completely different from the cement you're thinking of, as it has some truly amazing functions.”

Curious, Yan Fei inquired, “What kind of amazing functions?”

Yang Qi replied, “Don't rush; watch as I verify them one by one.”

Then Yan Fei fell silent, intently watching Yang Qi's experiment.

Yang Qi commanded, “Dream, initiate assault rifle attack on the target!”

Under the control of “Dream,” the assault rifle in the laboratory quickly rotated and then fired bullets at the cement stone tablet, emptying the assault rifle's ammunition in very little time. Strikingly, sparks flew as bullets struck the cement block. When the attack concluded, Yan Fei was astonished to discover that the surface of the cement stone tablet was completely undamaged.

Yang Qi then ordered, “Dream, activate the Heavy Machine Gun, continue attacking the target!”

Controlled by “Dream,” the Heavy Machine Gun began to rapidly fire. After all the 12.7-millimeter caliber bullets were spent, the cement board remained undamaged, showing only some white marks on the surface.

Yan Fei was a bit shocked. Considering the thickness of the cement stone tablet, it should have been shattered by the attack of the large-caliber Heavy Machine Gun bullets. How could it be completely unscathed?

Yang Qi issued another command, “Dream, activate the 30-millimeter Naval Cannon, continue attacking the target!”

Yan Fei watched as the 30-millimeter Cannon Rounds began to fire, the large caliber bullets striking the cement board in front. This time, the cement board finally showed damage, with a large amount of cement dust rising, enveloping the board within it. When the attack ceased, and the wind dispersed the dust, Yan Fei finally found some grooves on the cement board, but they were very small, insufficient for it to meet the destiny of being destroyed by Aircraft Cannon Shells.

Because of the Drone Avatar, Yan Fei knew clearly how powerful the 30-millimeter Naval Cannon was. Under such a terrifying attack, even the armor of a tank would be destroyed, but it was surprising that on this cement board, only some tiny grooves were made. It was evident how tough this cement board must be.

Yang Qi said, “Dream, switch the Naval Cannon to high-powered armor-piercing rounds.”

Following Yang Qi's command, “Dream” began to control a mechanical arm in the laboratory, switching the Naval Cannon to armor-piercing rounds.

Yang Qi said, “Dream, continue attacking the target!”

Then they saw a barrage of 30-millimeter armor-piercing rounds hitting the cement board in front. The board began to sustain significant damage, and a cloud of gray smoke rose, shrouding the entire block within. However, Yan Fei could see from the Surveillance Camera placed behind the cement board that it still wasn't penetrated by the armor-piercing rounds.

The 30-millimeter armor-piercing rounds were very powerful, and as the ammunition was nearly exhausted, they finally penetrated the cement board, which was also completely destroyed.

When the laboratory's electric fans started, dispersing the gray smoke, Yan Fei finally saw the cement board shattered into pieces. Inside that board, there were only ordinary pebbles and sand, without any rebar to serve as a structural framework.

Yan Fei looked at the piece of cement board, not expecting such a small board to be so hard. He immediately thought of the extensive use of this type of cement board and a fervent expression appeared on his face. He hurriedly asked, “Yang Qi, how is this cement board made? What are the main Raw Materials?”

Yang Qi said, “As you have seen, the main components of this cement board are river sand and pebbles, but the reason our cement board is so hard and can resist the attack of a 30-millimeter Naval Cannon is because a special formula of cement Materials was used.”

Yan Fei said, “How is that cement material produced, and what are its raw materials?”

Yang Qi casually pointed to a few pieces of stone in the corner of the Weapon Laboratory and said, “The raw material for the cement is those stones; they are the useless rocks you dug out when constructing an underground laboratory.”

For secrecy and safety, Yan Fei had excavated a large number of structures underground by utilizing a new feature of Drones, the shockwave, relying on those hard underground rocks for the buildings' safety. The rocks excavated from underground, being too hard to use in large quantities, were discarded on the surface by Yan Fei without a second thought.

But Yan Fei had also given some of the rocks to Yang Qi for research, to find out what made them so hard. Unexpectedly, Yang Qi through his studies of these useless rocks, seemed to have come up with this seemingly great and important invention.

Yan Fei said, “Are you saying that these useless rocks are the raw materials for making the cement?”

Yang Qi said, “I have been studying these rocks for quite a while, but haven't had any breakthroughs. However, a few days ago, I suddenly had an inspiration and used machinery to grind these rocks into a fine powder, then further processed them with a formula, turning the rock into an item similar to cement. After that, I mixed this cement with water, sand, and pebbles, and in the end, we got that indestructible cement board.”

Yan Fei had always guessed that some high-tech Items must have been added inside the cement board to make it so tough, even able to withstand the attack of a 30-millimeter Naval Cannon. He never imagined that the key ingredient would be those seemingly useless rocks he had dug out from underground, and such rocks had already accumulated like mountains on Dream Island.

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