My Wife is A Sword God

“What exactly is the old man researching?” Qin Feng asked aloud.

Huo Yuan rubbed his chin and replied casually, “The old man mentioned it when he was drunk. He wants to build a moving city.”

Qin Feng widened his eyes. A moving castle like Howl’s Moving Castle?

Unexpectedly, the old man’s idea was so avant-garde!

No wonder he could forge the unparalleled Twelve Supreme Weapons and build the Flying Court Sky Garden of the Star Seizing Pavilion.

“But if he wants to build a moving city, why does the old man fiddle with something resembling a cart? And why push various shapes and different materials on the ground?” Qin Feng raised another question.

“The old man’s initial idea was to build the city on the cart, like pulling goods with a horse-drawn carriage. By the power of magical artifacts, he wanted to move the entire city.

The weight of the city will be extraordinary, so when the old man experimented, he would place goods on the cart far exceeding its load-bearing capacity. However, the result was often that the cart would easily slip and overturn.

If it encountered soft soil, the wheels would sink, making it unable to move. The old man suspected it was a problem with the shape of the wheels, so he wanted to improve them.” explained Huo Yuan.

Qin Feng nodded, thinking, “No wonder the old man has been rubbing various objects on the ground to find the most suitable wheels.”

“However, the old man tried for a long time, but found that it would not work. Wheels stuck in the mud cannot pull goods.

Wheels that could pull the goods were prone to slipping and overturning, sinking into the mud.

Therefore, even though the old man spent a lot of time on this matter, there was no progress.” sighed Huo Yuan, with a somewhat regretful tone.

A movable city is truly a man’s romantic dream. As a member of the Divine Workshop, he naturally also yearned for such novel things.

But who would have thought that this unprecedented research couldn’t even take the first step?

“Hiss~” Qin Feng scratched his cheek, thoughtfully.

Although the old man was ingenious and constantly had new ideas, the constraints of the times undoubtedly limited many of his ideas.

“Wait a minute. If I can help the old man solve this initial problem, can I use it as an exchange to have him help me forge a weapon, breaking the rules?” Qin Feng’s eyes lit up slightly.

However, after pondering for a moment, his expression became somewhat unpleasant.

“This kind of thing must involve relevant knowledge of physics. As a man who chose humanities for the sake of his sister, how would I understand these things?” Qin Feng smirked. His level of physics knowledge was still at the high school stage.

“If I learn mathematics, physics and chemistry well, I won’t be afraid of traveling all over the world. It’s my fault that I was too young at the time and didn’t care about it. But fortunately, since I studied Literature Saint Dao Lineage, I remember those high school physics lessons very clearly. I don’t know if this superficial knowledge is enough.”

“In fact, I don’t need to give the old man an answer; I just need to provide him with a direction.

The wheel, movement, and sinking into the mud should involve knowledge related to friction and pressure.

Huh? I seem to have an idea.” Qin Feng raised his eyebrows, took a step forward again, and approached the old man.

Huo Yuan reached out, just about to stop him, but a heavy bag of money fell into his hands.

As he was about to speak, he swallowed his words back.

The old man heard footsteps approaching, he frowned and muttered, “That little rascal.”

Everyone in the Divine Workshop was short of money, which was well-known in The Great Qian.

The little rascals used him as a pretext, selling information to get money; it was an established practice in private.

The old man was naturally aware of this, but he had always chosen to turn a blind eye.

He just didn’t expect that the kid who came today not only had money but also persisted so stubbornly.

“Kid, if you still want me to forge a knife, give up this idea early and don’t waste your effort.” The old man’s attitude remained firm, and his tone brooked no argument.

But to his surprise, the black-clothed youth this time did not mention forging a knife. Instead, he inexplicably asked, “Old man, do you know what friction is?”

The old man frowned, puzzled.

Qin Feng cleared his throat, ignoring the other’s reaction, and directly recited the knowledge from the high school physics textbook.

“Um, the so-called friction is the force that hinders the relative motion or tendency of relative motion of two objects in contact with the surface. Old man, have you ever thought about why the wheels of a carriage are round, not square or other shapes?

Why can a glass easily be pushed on a smooth table, but it is difficult on a rough surface?

Why does a sow…”

At this point, Qin Feng abruptly stopped.

He almost said it smoothly.

The old man had intended to drive Qin Feng away, but when he heard this theory, something seemed to twitch in his mind.

He thought for a moment, then widened his eyes, “According to what you said, is it because a round shape experiences less friction than other shapes under the same conditions?

So, the carriage is easier to move forward?”

Impressive, to catch the point so quickly. Qin Feng was surprised in his heart, but he nodded slightly, showing a teachable look.

“Then, for the same glass, why can it be easily pushed on a smooth table but not on a rough surface?” The old man quickly raised a question.

He took the bait. Qin Feng smiled with a meaningful expression and casually said, “This involves the concept of a friction coefficient.”

Not far away, Huo Yuan and others from the Divine Workshop initially thought that Qin Feng would be quickly sent back.

However, the development of the situation astonished them.

The old man, who usually didn’t smile much, was actually engaged in a lively discussion with that handsome young man in black, even waving his hands excitedly.

“What’s going on?” sensing the unusual situation, Gong Liang walked over and curiously asked.

“I don’t know, let’s go take a look.” Huo Yuan glanced.

“Let’s go.”

The rest of the Divine Workshop members looked at each other and hurriedly followed the two leaders.

Only Lan Ningshuang and her two companions were left behind.

“What is Brother Qin discussing with the elder? I’ve never seen that old man so excited before.” Yang He said incredulously.

Zhang Tiannan nodded. Although he didn’t speak, his eyes were full of curiosity.

And not long after, the group from the Divine Workshop also underwent changes.

Some were frowning in thought, while others showed a joyful realization.

Sounds of inhaling and exclamations echoed one after another.

Unable to contain their curiosity any longer, Lan Ningshaung and her two companions quickly approached.”

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