"...There's not much left. A few days ago, fearing a beast tide, I used up almost all of my saltpeter into explosives, and haven't had time to replenish it yet." Li Wenxi was clearly considering this issue. "If the remaining is to help District 188 withstand the scorching heat, I'm afraid it won't be enough... I didn't anticipate this kind of thing..."
She said with a little shame.
"Who would have thought that such a problem would arise." Xu Xin shook his head.
If it were him, he would not leave some of the raw materials for explosives in the severe cold of dozens of degrees below zero for use in making ice.
There was ice everywhere outside at that time. Who could have imagined that we would be using saltpeter to make ice in just a few days!
At this time, Xu Xin heard a prompt in his ears.
[The tree house has been successfully upgraded, gaining the ability: constant temperature.]
Very good, now that he has the ability to maintain a constant temperature, at least there will be no problem inside his tree house.
At this moment, Li Wenxi couldn't help but stand up and said, "No, I have to take them to the saltpeter mine to replenish some saltpeter! The temperature is not too high now, and it will be too late if we delay any longer!"
"Wait a moment." Xu Xin pulled her back to sit, "I'll go with you later."
He opened the [Explorers] group, and everyone was awakened by the excitement and started discussing this matter.
Zhao Xiaochuan: "After the severe cold comes another scorching heat! This world has gone crazy!"
Wen Guixin: "Luckily, we have this constant temperature bonus, so it shouldn't be a big problem. I can just let the others come to my tree house to escape the heat."
Qi Xuefei: "...If the temperature is too high, medicinal herbs won't grow. My supply of medicinal herbs may have to stop for the time being."
Li Wenxi: "Don't worry, Sister Xuefei, I'm planning to take people to the area to dig for saltpeter right away. We'll use the saltpeter to make ice to cool down!"
Wang Lei: "Yes! Sister Wen Xi can mine saltpeter! That would make things much easier! I was still wondering what to do with the others, but saltpeter shouldn't be a problem."
Ji Chaoyang: "If it's saltpeter, each person may not need much. After all, saltpeter can be reused. You just need to dissolve it in the tree house, then put it outside to dry, and then reuse it back and forth."
Point Guard Here
Wen Guixin: "It's a manual air conditioner, a manual outdoor unit."
"Ah, Ji Chaoyang is right." Li Wenxi beside him clapped his hands immediately. "I'm so used to making explosives that I almost thought saltpeter was a consumable! This makes things much easier!"
"Yeah." Xu Xin nodded. "But ordinary green-grade saltpeter has limited heat absorption capacity. Perhaps many pieces can only maintain the temperature of a very small space."
Li Wenxi stood up and said, "In short, saltpeter is essential. Our stockpile is too low right now. We need to collect more before it gets too hot!"
"...The saltpeter mine shouldn't be hot, right?" Xu Xin suddenly asked.
"It's definitely cooler." Li Wenxi nodded, then smiled. "Actually, even if it's hot, it doesn't matter. Just splash some water on me and I'll be fine! The main problem is that the journey is quite uncomfortable. The saltpeter mine is at least three kilometers away from my tree house. If it's too hot, I won't be able to walk!"
"I'll go with you." Xu Xin stood up. "I can just go to the saltpeter mine and place a coordinate."
When there were enough materials before, he made five more coordinates as backup.
It comes in handy right now.
"That's right!" Li Wenxi's eyes lit up and she patted his arm. "You're so smart!"
If coordinates were scarce commodities for them before, they are now expensive consumables.
After all, the coordinates are made of blue-level materials, and blue-level materials are not scarce for them now.
Therefore, it is acceptable to put down the coordinates for a mining site.
In this way, if the survivors responsible for mining want to mine, they no longer have to trek in the scorching heat, but can go directly into the cool mine.
"You're a little silly." Xu Xin pinched her cheek and smiled, "Then I'll go over and set the coordinates first, and you can bring the others over. Where is the mine located?"
"I'm not stupid!" Li Wenxi slapped Xu Xin's hand away. "I'll go with you. It's hard to explain."
Xu Xin left the tree house immediately with Silver King.
For the first time, Keke was a little reluctant to go out, but was dragged out by Xu Xin.
Only with this little guy by his side can he truly feel at ease.
When I got outside the tree house, a wave of heat suddenly hit me in the face.
"Wow...!" Feeling the heat, Li Wenxi's face suddenly turned bitter.
There's such a big temperature difference between inside and outside this house!
The temperature inside the house is now maintained at around 25 degrees under the influence of blue saltpeter.
And outside...
It's obviously over 40 degrees now!
The temperature is rising too fast!
"Hmm..." Coco lay on Xu Xin's shoulder, with her limbs and big tail drooping, not wanting to move.
The Silver King also looked a little listless.
It’s so hot outside, it really makes me feel dizzy!
Outside the tree house, the water level of the pond he dug had dropped significantly in less than an hour!
This pool is connected to the lake, and the water level has dropped, which means...
He looked toward the lake.
Above the lake, there was obvious water vapor rising.
but……
There were no clouds in the sky, and the blue sky was extremely clear.
There is no sign of rain.
"...There won't be another severe drought, will it?" Xu Xintong Kong shrank slightly.
In his original world, heat is usually accompanied by heavy rain.
In addition, the country's South-to-North Water Diversion Project and other projects have ensured that the entire country does not lack drinking water, so he did not have much concept of drought and did not notice it immediately.
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