"Professor, what if..."

Wei Rong looked at the carbon nanotube in front of him with a nervous expression and said softly: "What if the sample is also..."

"stop!"

Lu Yongchang interrupted Wei Rong's words in anger: "Nothing happens!"

"I don't believe that our luck is so bad. We can hit us with a 3.1% chance!"

Wei Rong smiled bitterly, subconsciously reached out and touched the tip of his nose, turned his head and looked aside.

"Xiao Wang, have the test results come out?"

The researcher, known as Xiao Wang, had a little anxiety on his face: "Academician Wei, it's all right away, wait a little longer!"

“…”

Wei Rong withdrew his gaze and his lips were slightly white.

The waiting time is extremely painful.

After all, in a sense, this carbon nanotube is already the hope of the entire laboratory!

"The result is out!"

“1590gpa!”

Xiao Wang's face was full of excitement, and he raised his arms and shouted: "Professor Lu, we have succeeded!"

The moment he heard the shout, Lu Yongchang and Wei Rong stood up from the chair immediately!

To avoid errors, the two conducted several tests again.

Fortunately, this multi-layer wall carbon nanotube did not disappoint the expectations of the entire laboratory.

"1590gpa..." Wei Rong looked at the test results in front of him in a daze, muttering to himself, "Unbelievable..."

As for Lu Yongchang, he breathed a sigh of relief.

It's a success.

In just a few months, the entire laboratory has produced more than 6,000 samples.

With such a huge workload, even if there are many scientific researchers in the laboratory, the tasks shared by everyone are still very heavy.

Looking at the bright smiles on the faces of the scientific researchers around him, a faint smile appeared on the corner of Lu Yongchang's mouth.

But soon, he pulled himself out of the joy of success.

"Academician Wei, it's not time to celebrate yet!"

Lu Yongchang whispered: "The next step is to solve the industrial preparation problem of this multi-layer wall carbon nanotube."

Wei Rong was stunned, and the expression on his face suddenly became serious.

"Professor, how many specifications do you think we need to prepare?"

After this incident, Wei Rong completely abandoned his old ideas.

At least, Lu Yongchang’s scientific research intuition is trustworthy!

Lu Yongchang pondered for a moment and said in a deep voice: "At least it must be in the level of kilometers."

"Also, the industrial preparation plan will be left to you to solve!"

As he said that, he patted Wei Rong on the shoulder meaningfully.

Wei Rong: "????"

"ah?"

Although he had heard that Professor Lu had the habit of being a "hands-off boss", he never expected that this scene would come so quickly!

"What?" Lu Yongchang said with a angrily smile. "There are still many details and problems that have not been perfected in the space elevator. I don't have so much time to solve the cable problem."

Wei Rong: "..."

"Okay, okay..."

Looking at the expression on Wei Rong's face, Lu Yongchang nodded with satisfaction.

Although it was a little ugly, he could still see the excitement contained in his smile!

I think Academician Wei is also looking forward to this task!

While thinking, Lu Yongchang turned around and walked towards the gate of the Carbon Nanolab.

...

After throwing the task of preparing the kilometer-scale carbon nanotube industry to Wei Rong, Lu Yongchang returned to the office.

After solving the cable material problem, another problem came to mind.

The construction of space elevators.

In the conceivable, the ideal construction plan for a space elevator is to be built from top to bottom.

Simply put, transport the made cable to a height of 91,000 kilometers from the surface, and then slowly put the cable back to the ground.

The cables were then fixed to the foundation, and the rest of the construction tasks were carried out.

Because of the existence of cables, the simple space elevator can already operate at this time.

The material transportation problem was also solved.

It sounds like everything is so smooth.

But this process is simple to say but very difficult to do.

Not to mention anything else, the weight of the 91,000 kilometers of cable is a big problem.

Even if carbon nanotubes are only one-sixth of that of steel.

According to the calculation of zero, in order to ensure the stability of the spaceport, the diameter of the entire section of cable will reach an astonishing five meters!

Moreover, in order to improve the tensile strength of the cable, they also need to add a large number of long spikes during the braiding process.

In this way, the weight of the cable is not something that the current aircraft can afford with a diameter of 5 meters and a length of 91,000 kilometers!

As for building a small spaceport first, then making cables on it...

This is even more unworkable!

This is completely putting the cart before the horse!

If Lu Yongchang could quickly transport these materials to space now, then what did he do to build a space elevator?

So... in this way, the manufacturing plan of the space elevator fell into a vicious cycle.

...

Lu Yongchang sat at the desk with his brows frowned, and the pen in his hand was unconsciously smearing randomly on the a4 paper in front of him, making waves of irregular rustling sounds.

Su Yutong, who was busy studying, moved her ears slightly and looked up towards Lu Yongchang.

A hint of surprise flashed in Su Yutong's eyes when she saw Lu Yongchang's appearance.

After so long, she has never seen Lu Yongchang perform like this!

After thinking for a while, she asked carefully: "Professor, have you encountered any problems?"

The movement of the pen in Lu Yongchang paused suddenly, and then a long sigh came.

"Yes, I encountered a big problem..."

Lu Yongchang turned his head and looked at Su Yutong beside him, and happened to meet her confused eyes.

He moved slightly in his heart and briefly described the problems he encountered.

Finally, a deep look of expectation flashed in his eyes: "Do you understand? How do you think it should be solved?"

Su Yutong nodded thoughtfully.

"Professor, since the small spaceport solution is not feasible, why can't we make cables on Xuannv II?"

Lu Yongchang was slightly stunned and subconsciously retorted.

"What a joke?"

"The size of Xuannv No. 2 cannot afford the task of manufacturing cables, and its weight is not enough to be used as a balance for space elevators."

"As for larger space shuttles...it can only be built on spaceports."

Su Yutong chuckled: "If one plane doesn't work, what about the ten planes? Or, twenty planes?"

Lu Yongchang was about to shake his head and refute, but an inspiration flashed through his mind!

He is the one who is so stubborn!

An excitement flashed in Lu Yongchang's eyes. He twisted his body suddenly and sat back to his desk. The pen in his hand quickly wrote on the a4 paper in front of him.

Seeing this scene, a smile flashed in Su Yutong's eyes.

The next second, she buried her head in the pile of information in front of her again.
Chapter completed!