Zhang Shengye had a great time, he controlled the fireball, constantly rotating up and down the table.

"If the world is flat, if the sun revolves around the earth, then the sun is very close to the east and west edges of the earth when it first rises and just sets.

That's why there will be morning glow and fire clouds at night. For at that time the sun was closest to the earth, and the earth was burning. ”

Zhang Hao: ......

I can't even argue with that.

In the end, Zhang Shengye looked at Zhang Hao proudly: "Little mouse, I know that I feel very smart recently, but the earth is spherical, which is ridiculous." ”

Then, Zhang Shengye dragged Zhang Hao to the roof, pointed to the distance and said, "Look, as far as you can see, is the earth curved?"

If the earth is spherical, then we should only see the roof of the house in the distance, not the whole house.

Okay, stop making trouble. ”

Zhang Shengye flew away, leaving only Zhang Hao messy in the wind.

What Zhang Shengye said is very reasonable. But Zhang Shengye didn't take this into account: the world is big, and people are very small, and they are very small. Looking at the limit method, the limited earth that the human eye can see is indeed flat!

As for the distance, because of the obstruction of air, dust, water vapor, etc., it is not real.

Because the planet is too big, it hinders people's exploration of the earth.

Also, if it weren't for the fact that this world is very big, with the ability of a cultivator, the truth would have been discovered a long time ago.

"Damn...... It's funny!" Zhang Hao sighed helplessly, and didn't spit out the swear words after all. After a moment of silence, he flew off the roof and said goodbye to his mother.

Zhang's mother is a typical homely woman who rarely shows up and spends most of her time practicing. She has pressure on her.

Zhang Shengde is already at the peak of Jindan and is about to be in infancy, which means thousands of years of life.

She was afraid that when Zhang Shengde was in high spirits, she was old.

Therefore, Zhang Hao rarely saw this mother. Most of her time, she spends her time practicing.

Zhang Hao hurriedly said goodbye and left.

When he came to the door, he looked at his father's caravan in the distance, and sighed leisurely.

In the world of cultivation, there are also troubles about longevity.

After returning to the bedroom to practice for a while, he swallowed a small Lingyuan Pill, suppressed his cultivation, and consolidated his foundation, Zhang Hao came to the smelting base.

To be exact, it is a 'classroom' of the smelting base.

Huang Mingshan and others have completed a brand new machine, a machine that can output power, today.

It's a machine with a 'rotor'. Its rotor is four rows of front and back, a total of 16 windmill blades, surrounded by wind formations.

The wind formation generates the force of the wind, which in turn drives the rotor to rotate.

The strength is not small, two low-level spirit stones can produce the strength of almost an ordinary healthy horse, but two spirit stones can only last less than an hour.

Zhang Hao nodded, very satisfied with this breakthrough. Although the machine is very crude, the bearings are not ball bearings, but hand-polished iron rings, with butter, as for the fluid, aerodynamics, blade design, etc., there is nothing at all.

But it's still significant.

This was the first 'mechanical prime mover'.

The previous fan could only blow the wind, and could not do anything except blow the air.

But right now, it's a real machine, and it can output power.

Zhang Hao gave the chief designer Huang Mingshan a rich reward. 10 Little Spirit Yuan Pills!

As an elixir that can purify the true qi of cultivators in the Qi refining period and consolidate the foundation, the market demand is very large, and the price is higher than that of Zhuji Dan.

As for the remaining six people, Zhang Hao also rewarded one or two Little Spirit Yuan Pills according to their respective contributions.

Huang Mingshan trembled a little, he didn't expect that he would just copy the effect of the windmill and build a machine with almost no practical value, which was even bigger than the reward for producing the wind turbine at the beginning!

Zhang Hao didn't care about everyone's reaction, but began to 'hang up'. He began to instruct everyone on how to design an in-lobe rotor.

Hanging up is not the same as promoting the growth of seedlings; there should be research and failure, and there are many others. Just like spiritual practice, the foundation must be firm!

This is a huge engineering, internal vane rotor machinery with a wide range of applications in another world.

The aero engine is one of the pinnacles, the steam turbine and gas turbine that drive the generator to rotate are also one of the pinnacles, and the most powerful mechanical power in the era of giant ship cannons comes from the steam turbine.

Even the most powerful nuclear-powered aircraft carriers, the core of their energy is still the steam turbine. The gas turbine converts the thermal energy (ultra-high temperature and ultra-high pressure water vapor) from the nuclear island into the mechanical kinetic energy that drives the generator to turn.

In addition, many industrial-grade 100,000-ton and million-ton compressors, high-pressure pumps, etc., are mostly internal vane rotors.

Zhang Hao didn't expect that Huang Mingshan and others would take the lead in opening the door to industry from this direction.

So Zhang Hao was surprised and excited.

Huang Mingshan and others, who received the award, were also excited, and everyone devoted themselves to study and research with 12 points of enthusiasm. Time slipped away quietly, but everyone was not tired - Pei Yuandan supplied it in batches.

The blades, under the guidance of Zhang Hao, began to change little by little.

The rotor began to become slender and the blades became thin and delicate.

The shell of the machine is also beginning to change. High-pressure cylinders, medium-pressure cylinders, and low-pressure cylinders appeared.

The Wind Formation and the Fire Formation work together, the flame heats the air, and the high-temperature and high-pressure air rushes through the blades.

The ability of the cultivator has greatly improved the efficiency of design and production.

There is also knowledge of mathematics and physics, which has also been developed. knowledge, progress in research and practice.

Before I knew it, it was already a few days later......

............

It is said that when Zhang Hao began to improve the machinery, Zhang Shengde was called by the city lord.

After meeting, the city lord asked directly with a straight face: "Zhang Shengde, you have done such a big thing!"

This horse-like conversation couldn't scare Lao Zhang - this morning, he was just startled by his son's 'spherical world'.

So Lao Zhang said leisurely: "City Lord, there is a way that the rise and fall of the country is the responsibility of the husband, I can't bear the chaos of the Xuantie market, nor can I bear the pain of ordinary people, the Zhang family just did what they could."

Some small things can enter the eyes of the city lord, Zhang Shengde is deeply honored. ”

Castle Lord: Did I compliment you just now? What kind of ears do you have?

However, as the saying goes, reaching out and not hitting the smiling person, seeing Zhang Shengde so humble, the vanity of the city lord was satisfied. A smile immediately bloomed on his face.

"Master Zhang, I'm very strange about this Xuantie Guild. How did you come up with this?"

Zhang Shengde's face was serious and solemn: "City Lord, over the years, although we have produced Xuantie, the pricing power is not in our hands.

At the end of the day, it's because we're not united. The other party can negotiate the price one by one.

So, we have to stick together, we have to take the initiative in pricing.

We will also be committed to the progress of Xuantie technology, and will provide more high-quality and cheap Xuantie for the country!

In addition, the guild has many functions, which can stabilize the price of Xuantie and control the depreciation of Xuantie coins, so as to benefit ordinary people, small and medium-sized families, and commercial houses.

It can also unify the scheduling of resources to further reduce the production cost of Xuantie.

The most important thing is that we can unite and say 'no' to foreign countries!"