Chapter 85 Cement
"Hey, what is this?"
A bumpy, light grey stone suddenly appeared in the pile of ash.
Lin Daping was originally pouring mud, but he didn't expect that an ugly stone would suddenly appear in the place full of mud and mud.
It is about three meters wide, but very thin, as if it is about to break in the middle, and feels very rough.
This was completely different from the stone he remembered. Even if it was rock, it wouldn't feel like this. It didn't have the smoothness that nature had given it.
Then this thing is most likely formed by these ashes, Lin Daxuan's eyes lit up.
After studying glass for half a year, there was no result except for burning some gray stones. Everyone was very depressed.
"Auntie, auntie, I've discovered something new, auntie."
The voice was full of joy. Although he didn't know what the ugly stone could do, it didn't stop him from being excited.
The people who were sweating profusely in the furnace heard Lin Daping's loud cry and thought something big had happened. Except for those who couldn't leave, everyone went outside.
"What happened? Why are you so impulsive? You're already grown up, but you're not calm at all!"
Lin Daxuan, who is already 20 years old, has short hair, a shirt and shorts. If you ignore the black and white spots on his face, he is definitely a handsome guy.
Lin Daping was not angry after being scolded, but made a face at his elder brother.
"Auntie, I found a strange stone in the ash pile. It's full of holes and I've never seen it before!"
Ash pile?
Yes, they burned bricks, and the ashes from their glass-burning experiments were all poured together. The bumpy stones suddenly appeared, and it rained yesterday. Could it be cement?
"Let's go and take a look."
Lin Yue suppressed the excitement in her heart and walked over quickly.
I could see the bumpy cement from a distance. It must have been because of the rain, as the rain splashed it like this.
"Lin Daping, go find a stone, one that weighs about ten pounds."
The hardness of the cement has not yet been determined. Only when they see with their own eyes how hard the cement is will they have greater confidence in the glass. Recently, everyone has been a little depressed and perfunctory.
Lin Daping didn't understand why, but he always carried out the orders given by his aunt without question.
"Hit it with all your might, and make sure you aim well."
Everyone looked confused, what was going on?
"Bang."
The stone cracked into two halves, but the bumpy stone underneath was not affected at all and remained the same as before. Everyone was stunned.
What is this thing that is so hard? Compared to it, stone is like an egg and cannot withstand a single blow.
"Auntie, what is this? It's harder than stone."
"I remember I came here to dump ashes before it rained yesterday, but there was nothing there then. Could someone have left it here?"
"It doesn't feel like stone at all, and sometimes it even feels prickly. It doesn't feel like it was formed naturally."
Lin Lang squatted down and carefully observed the "stone" that suddenly appeared. He remembered that his aunt had said in class that naturally formed things would bear the characteristics of the surrounding environment. There were no traces of wind, water, or fire. If it was made by humans, it would be amazing!
"This is a natural formation, but it was formed after the rain yesterday, so it's normal that it's not visible."
Several people looked at the aunt with confusion and burning eyes. What was she talking about? This was formed yesterday. Isn't this nonsense?
"This is the ash we got here before that came into contact with water. This thing is called cement."
"How is it possible that a handful of ashes can turn into such a hard stone?"
"Auntie, this joke is not nice."
"Why, why did it become like this?"
Lin Yue looked at the ashes beside her that had not been thrown away in time and smiled slightly.
"We can experiment. The difference between yesterday's burning and the previous ones wasn't that big. I've emphasized many times that time is the only criterion for testing truth. We can experiment with anything we don't understand or can't explain clearly."
At the same time, I am disappointed that the children chose to question me at the first time. Their subconscious mind has not yet formed the concept that experiment is the truth. It turns out that the concept must be instilled from a young age, otherwise it will be difficult to change the thinking once it is formed.
"Lin Daping took another bucket of water, two wooden boards and a stick."
Lin Yue did not explain what cement could do, after all, it was easier to accept intuitively.
Everyone was waiting for Lin Daping under the scorching sun, and no one said they wanted to go back. If the cement they made was very useful, then if they walked away and didn't get the news about it in the first time, they would definitely be chased and beaten by their elders, and various punishments would follow. Being embarrassed was a small matter, but being kicked out of the core circle was a big deal.
Lin Yue poured out the ashes, dug a big hole in the center, poured water in, and stirred it with a stick. Because it was just lime, a lot of smoke came out and the air was filled with a pungent smell.
I shoveled a board with a wooden board, spread it evenly on the ground, and leveled it with a wooden board.
"Lin Daxuan, follow my example. Don't spread it too thickly. Try to keep it at the same level."
Lin Daxuan was clumsily tapping the floor with a wooden board. Wasn't he testing its hardness? What was he doing now?
In less than a quarter of an hour, the one-meter-long and one-meter-wide cement was paved.
"Guess what I'm doing?"
At this stage, we need to guide them to think divergently, which will be beneficial to everyone's future research and development.
"Hmm, it looks a bit like paved road. Can this cement be used to build roads?"
"But what's so good about this cement road? The cement looks bumpy. Is it safe to walk on such a road?"
"I don't think so. Auntie rolled it so flat."
"You guessed it right, it's paving the road. This is one of the functions of cement. After paving the road with cement, not only does it become very smooth, but you don't have to worry about getting covered in mud when you go out on rainy days.
But it’s important to consider that water will accumulate in low-lying areas, so drainage becomes a top priority.”
"Besides paving the road, what else can you think of doing?"
"What else can be done? What else can be done?"
The thirty or so young men and women gathered together all scratched their heads, looking confused, obviously unable to think of what else to do.
Lin Yue was not in a hurry either. Her ultimate goal was to expand her thinking and use her brain.
Time passed minute by minute, and sweat kept coming out of everyone's forehead, but Lin Yue didn't give any warning.
Obviously, she also discovered that everyone relied too much on her to give them answers. If she wanted to make progress, she had to break through herself and think for herself.
"I know, I know, Auntie. Can we use cement to make the stone tablet in the square taller?"
Ten-year-old Lin Dayu looked at Lin Yue expectantly with sparkling eyes.
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