Throughout the ages, many heroes have been praised for their victory over people.

It seems that only those related to people have the value of commemorating and praising them.

Even in kindergarten, children are more concerned about other children, who would think about whether the floor hurts or not?

When it comes to nature, people either respect it like a god or ignore it.

However......

Heaven and earth are not teachers, who can be teachers?

……

Qin Ken was shocked: "What? You're going to bring us back to the era of cold weapons?! It's absolutely impossible. ”

Ji Wuming: "Although modern entertainment stimulates productivity, it inhibits people's deep creativity. Don't you find that the kind of person who is ahead of an era has not appeared for a long time? ”

Qin Ken: "If you can't eat enough, how can you talk about creation?" ”

Ji Wuming: "It would be good to let those who are willing to fall experience hell." ”

Qin Ken: "Terror doesn't inspire talent. You're thinking wrong. ”

Ji Wuming: "Of course I know this, so your task is to let them have only one happiness - the joy of creating knowledge!" ”

Qin Ken: "I see. ”

……

On the cold street, Ji Wuming threw the satellite phone to the garbage heap on the side and breathed a sigh of relief:

"It's finally done, and it's up to you, my fellow citizens."

Ji Wuxian was tired, even if there were still many means, he was not ready to use them, helping a lazy civilization was more difficult than destroying a medium civilization.

In an abandoned five-star hotel, a delivery man knocks on the door.

"Ha Lou, Mr. Ji, this is the clothes you ordered."

Ji Wuming paid for two loaves of bread and a candy.

This is a set of green camouflage uniforms, which is a must-have for Ji Wulife's disguise.

Is it difficult to return the earth to the age of cold weapons?

For Ji Wuming, there is no need to destroy production equipment, nor to monopolize ore resources, nor to imprison people's minds......

All you need to do is ......

It's good to cool down.

Ji Wuming snapped his fingers, and the radiant cells in the enchantment pair in the sky immediately entered a state of rest, and the global temperature dropped!

Residents in the interior also experienced the desert climate of eating watermelon in the morning and wearing cotton jackets in the evening.

It took only 8 hours for the global average temperature to drop to 5 degrees.

The Ice Age is coming to human society at the speed of light.

Ji Wusheng went for a morning jog on the street and met many "frozen people" who were forced to wake up.

"Happy playing."

Ji Wuming said hello while running.

Passing by a stall selling canned food for coal, Ji Wuming stopped.

"Uncle, are you selling canned food in a civilized manner?"

The old man stretched out two fingers and said, "One can, two hundred catties of coal." Love to buy or not to buy. ”

Ji Wuming: "A can, I will sell 201 catties of coal, will you sell it?" ”

Old man: "Why 201 pounds?" Could it be that yours is a secondary coal with sand? ”

Ji Wuming smiled and said, "No, it's good coal." The extra pound buys your life. ”

Old man: "What do you mean?!" ”

Ji Wuming: "It's not about buying your life now, it's about buying your life in the future." ”

Old man: "My life in the future?" ”

Ji Wuming: "Yes, life after death." ”

Old man: "Oh-I see, you want me to bring a message to your underground family, right?" ”

"No, I want you to be a butler for me." Ji Wuming stood up, unbuttoned and took off his clothes, took out a dagger from his pocket and slashed it on his stomach.

There is no blood in the entrails, only black coals!

"Bring your basket."

"Good...... Good. "The old man was a little overwhelmed.

Ji Wuming searched for a few minutes, and the basket was soon full.

"That's exactly 201 pounds." Ji Wuming wiped his finger on his belly, and the wound disappeared and recovered as before. "Remember, your life is mine."

After saying that, he left.

Ji Wuming walked a long way before the old man reacted, picked up a can and was about to chase it, shouting in his mouth: "Hey, your can." ”

Passers-by laughed and said, "This old man is so stupid, holding fast coal and saying that it is canned." ”

The old man looked at it, and what he had in his hand was a piece of coal.

On another street, a stray dog followed Ji Wusheng with a can in his mouth, wagging his tail happily.

Ji Wuming looked at the only unexpired can and smiled.

"I hope you'll still have such a good heart over there."

The old man's cans turned into coal, it's not magic, it's a trick. It's the result of Ji Wuming's mental hint and dog support, if there is anything special, it's only the real dog trust.

Ji Wuming walked into a military factory, and because Qin Ken, a retired veteran, had said hello, he was unhindered all the way.

Soon there will be a "retirement" here, not because the weather is cold and the machine cannot operate, in fact most modern equipment can operate in cold conditions, simply because ...... Fuel is too expensive!

The energy needed to build an excavator can grow 100 catties of vegetables.

Ji Wuming glanced around and asked, "Is there a machine tool for internal processing?" ”

The master who was inspecting the product stopped his words and asked, "What is internal processing?" ”

Ji Wusheng: "It is to process the metal directly inside without destroying the metal surface." How, not yet? ”

"You're kidding, how could there be such a thing."

Ji Wusheng: "Isn't there an electromagnetic machining machine tool either?" ”

"Nope."

Ji Wuming: "That's a pity, for low-level civilizations, welding is a high-energy-consuming project, and the strength of the welded machinery will also be weakened." ”

One worker spoke, "No, the weld is stronger than the original part." ”

Ji Wuming: "I'm talking about space. ”

A few simple greetings, and after leaving the presence to prove it, Ji Wuming no longer communicated with them.

Ji Wuming began to tinker with [electromagnetic machine tools] based on the data collected by multiple parties.

There are three types:

[Liquid electromagnetic machine tools], [Solid state electromagnetic machine tools], [Gaseous electromagnetic machine tools].

Ji Wuming plans to build a liquid electromagnetic machine tool with the lowest technology content.

The principle is very simple, it is electroplating.

Electroplating, which is essentially the reduction of metal ions in a liquid, is not precisely controlled.

What Ji Wuming has to do is to accurately control the reduced metal atoms, and directly print the parts he needs, even the machine, according to the way of 3D printing!

Is this easy?

It's not simple, and all the computers on the earth are not enough to fully control the movement of a drop of water!

If you want to completely control the trajectory of a large number of metal ions, I am afraid that burning a single sun is not enough!

So, you have to be shortcut.

Is it difficult to "fuse" trillions of carbon and oxygen atoms?

This question is equivalent to igniting charcoal.

As long as you find the law of things, everything is as simple as lighting a piece of charcoal.

Ji Wuming uses one of the "Three Formulas of Metal": nano magnetization technology.

In the knowledge system of earthlings, no matter how small the magnet is, there are north and south poles.

Taking advantage of this, Ji Wuming can make a liquid electromagnetic machine tool.

Ji Wuming only needs to make "small magnets" composed of single atoms, or several atoms, which are only nanometers in size.

These "little magnets" are then made into a non-physical container, confined to a certain area for the reduction of metal ions, so that the part can be produced.

Of course, this machine tool is very primitive and backward, and for the lower civilizations, this is just the carving knife of the 18th century to carve stone.

For Ji Wuming, this is just a seed for human civilization.

Ji Wuming had seen a high-level civilization carrying [intelligent monopolar magnets] process an ion storm 12 light-years into a mechanical planet with a diameter of 100 million kilometers!!

Ji Wuming: "I hope my people can do the same in the future." ”

Special note: All atoms can be "magnetized" as long as they are maintained by strong forces inside the atoms. It's just that except for elements such as iron, the "magnetization" conditions of other elements have not been discovered.