Wizard: I brought the wrong system

Even though this base was already very magical in Bevin's eyes, it still did not meet the requirements in Yaro's mind.

For example - base infrastructure.

In Yaro's view, the current underground base is still too small. It would be better if it were dozens of floors underground. Otherwise, many sensitive forces will be limited by the principle of 'if you don't know, you are not there', making it inconvenient to conduct research.

Another example - concealment.

The real secret base should be such that no one knows its specific location except those who truly believe it.

But after all, this place was rented from Granny Oak, and its own power level is not enough to support the creation of a base alone.

For example - security.

Although there was Bud guarding him, he still had to rest alone.

Moreover, Bard's strength is also low. Even if he is awake, if a wizard apprentice really invades, he will not be able to do anything to others.

In general, what Yaro wants is the infrastructure of the underground base for biohazard, the concealment of the research-type rebel ninja underground base, and the defense of the cautious immortal cultivator's cave.

Unfortunately, Yaro does not have the financial resources to protect the umbrella formula, nor does he have the magic to master infrastructure, let alone the magic circle of early warning, traps, defense, and attack.

Under the current conditions, only this level of underground base can be established.

Leading Bevin, Yaro quickly found Heli in the tool room who was making wooden mechanical fingers.

"Heli, put aside what you are doing and come to the laboratory."

"right away!"

Not long after, Heli pushed open the laboratory door and walked in with her head in the air.

"Lord Yaro, what do you want from me?"

Yaro pointed to the gray-white stones on the ground and said, "Help me research how to purify these poisonous salts."

"Research? I can't." Heli was a little embarrassed.

Indeed, even at the peak of wisdom in a previous life, one would not dare to say that one could pick up a random stone and identify all the ingredients contained in it.

Not to mention that Heli has not studied chemistry yet, and the ‘elements’ in this world are also somewhat abnormal.

Thinking of this, Yaro smiled and said: "It doesn't matter if you don't know, are you willing to learn?"

"Of course!" Heli nodded quickly.

Beiwen hurriedly said: "Teacher, I want to learn too!"

Yaro nodded slightly, thinking about where to start.

The simplest and most direct way is definitely to go directly to the Periodic Table of Elements.

The "Periodic Table of Elements" can be said to be the general outline of chemistry, and even if there are no other details, careful study can yield great gains.

With the help of the magic power of this world, it is even possible to create all kinds of magical magic just like the general outline of the first volume of the "Wordless Heavenly Book" in the world of Zhu Xian!

After thinking about it again and again, Yaro was still prepared to hold back.

It was not that he was stingy and he was reluctant to teach the "General Outline of the Chemistry Book", but he was mainly worried about the danger of being a "child with money". After all, Yaro had already made plans to leave in half a year.

Another point is that this is not Yarrow's hometown after all. Even if he really wants to spread the key knowledge, Yarrow hopes that the starting point is his grandfather's territory, and the first to benefit are the little leeks who have been 'beaten' by him since childhood. them.

Therefore, Yaluo said: "Heli, you have also purified sulfur and saltpeter, and you have a certain understanding of purification. So, can you tell me why dissolution and filtration can remove impurities?"

Although Heli has mastered several purification methods, she has no knowledge of chemistry and can only use her knowledge in daily life to answer the questions.

"This is because... the water... washes away the dirt..." Heli's voice became smaller and smaller, until it was like a whisper.

She herself felt that this statement was not quite right.

The corner of Yaro's mouth curled up slightly: "The two things you purified before are both insoluble in water and the same are soluble in water. You can't say that the one soluble in water is the dirty thing, right?"

Heli's cheeks turned red and she lowered her head, not daring to look directly.

Yaro did not embarrass her and looked at Bevin who was thoughtful next to him: "Bevin, what do you think?"

"I?"

Bevin was stunned.

Didn’t Teacher Yaluo tell you the answer just now?

Soluble and insoluble in water.

He glanced at the embarrassed little girl next to him and simply shook his head: "I don't know."

"It's about soluble in water and insoluble in water!"

Yaro didn't show off, and explained directly:

"Different substances have basically different properties. The way to purify them is to set different thresholds."

"Do you know the colander? Purification is to block the substances we don't need, or only leak the substances we don't need, just like a colander, to separate two mixed things."

"Due to our limited conditions, the only purification methods we can do now are distillation, crystallization, washing, and filtration."

"Distillation is to continuously heat a solution to evaporate volatile substances... What is volatilization? You can understand it as heating water and turning it into water vapor. This is volatilization."

"The crystal is..."

"washing……"

"filter……"

"Heli, you have basically learned these methods before. You can try them one by one to find out which method works."

In fact, there is electrolysis, but the generator is not suitable for exposure, so even if the salt is extracted by electrolysis, it cannot be used for large-scale production.

So Yaro simply stopped mentioning it.

Speaking of this, Yaro looked at Heli and continued: "You can process it like this first. Anyway, after finishing this set, you can also clean up the gravel."

"I'm going to the nearby library to read. When you're done, come and call me."

Yaro has not completed the study tasks scheduled for today, and he does not intend to do these repetitive tasks, which is a waste of time here.

"understand!"

Hurley immediately prepared to take action.

The first step was to break the stones into powder. Hurley got up and went to get the hammer.

"Teacher, wait!" Bevan looked a little panicked, "Aren't you with us?"

Yaro glanced at Bevin doubtfully, thought for a while, and explained patiently: "Don't worry, it's not difficult. Besides, Heli has done it many times before. If you don't understand anything, you can ask her."

The corners of Bevin's mouth twitched, but he stopped talking.

You can't say that you had a nightmare before, right?

Moreover, Bevin also checked these poisonous salt mines after waking up and found no problems.

"Okay, I'm in the library nearby, not far away. If Heli doesn't understand, you can come over and ask me at any time." With that, Yaro opened the door and left.

Ok.

What Teacher Yaro said makes sense.

Bevin could only think this way.

However, when he saw Hurley coming over with a hammer, Bevan immediately smoothed away the worry on his face and smiled gently: "Hurry, let me do it, you can teach me by your side. I learn faster by doing it myself.”