"Lü Yongchang! What are you doing?"
Professor Guan Hualiang's expression shifted slightly when he saw Lü Yongchang rise and walk toward the lectern. He immediately barked a reprimand!
"This is a classroom! Get your head straight!"
As Guan Hualiang's reprimand reached Lü Yongchang's ears, it stirred a strange sense of familiarity.
He had not heard that scolding voice in more than ten years!
A faint smile appeared on Lü Yongchang's face. He nodded gently to Guan Hualiang. "Professor Guan, sorry for the trouble, but I need to borrow the board."
Guan Hualiang was both shocked and furious!
In all his years of teaching, this was the first time a student had asked to "borrow" his board during class!
The next moment, he watched Lü Yongchang walk straight up beside him and pick up a whiteboard marker from the lectern.
Guan Hualiang was so angry that he laughed!
How was this borrowing?
He hadn't even given permission!
This was outright robbery!
"Mr. Lü, this is your final warning..."
Guan Hualiang took a deep breath, suppressing his anger as he said quietly, "Go back to your seat now, and I can be lenient about what you just did. Otherwise..."
Lü Yongchang straightened his back and gave Guan Hualiang a profound look.
Guan Hualiang's pupils contracted slightly, and the rest of his sentence seemed to catch in his throat.
He could not help remembering his days as a graduate student.
Back then, his advisor had possessed that same air of unquestionable authority!
But the person before him was only a sophomore!
His advisor, on the other hand, had been one of Xia Country's leading scientists!
At that moment, not only Guan Hualiang but every student in the classroom froze in stunned silence!
"Holy... shit. Has Lü Yongchang... lost his mind?"
A skinny young man wearing black-framed glasses stared at the scene by the lectern, dumbfounded, and muttered, "Does he... want to get expelled?!"
The young man's name was Wu Qi. He was Lü Yongchang's roommate, and he was also the one who had quietly woken him earlier.
He had never imagined that Lü Yongchang, who usually kept his head down and studied, would do something so outrageous in a university physics class!
Naturally, Lü Yongchang paid no attention to the shock of Guan Hualiang or his classmates.
He turned toward the board, raised the whiteboard marker in his hand, and began writing with a determined expression!
A clear line of equations appeared on the board.
The neat handwriting made Professor Guan Hualiang's eyes brighten slightly.
It would take years of experience to write on a board that well!
But soon, his brows knitted tightly.
That line of equations should have been beyond anything an undergraduate would encounter!
A flicker of curiosity crossed Professor Guan Hualiang's eyes.
He abandoned his attempt to send Lü Yongchang back to his seat. Instead, he folded his arms and stood quietly to one side, watching what Lü Yongchang wrote on the board.
As line after line of equations and diagram after diagram appeared, Professor Guan Hualiang's frown deepened.
Unless he was mistaken, this was material related to controlled nuclear fusion!
But... how did Lü Yongchang know any of this?!
Still, at the sight of knowledge beyond an undergraduate's level, the anger in Guan Hualiang's eyes faded, replaced by a deep appreciation for talent!
This boy would be a treasure to Xia Country in the future!
Guan Hualiang looked at Lü Yongchang's upright figure, his eyes filled with delight!
He had completely put Lü Yongchang's earlier disrespect out of his mind.
A genius deserved a few privileges, after all!
Besides, he had apologized!
By now, the board was densely covered with material on controlled nuclear fusion, including a schematic of a fusion device.
Guan Hualiang nodded in satisfaction.
Xia Country's current research into controlled nuclear fusion had reached roughly this stage as well.
Just as he was about to speak and stop Lü Yongchang, something unexpected happened!
Lü Yongchang's whiteboard marker suddenly stopped!
"No room left..."
Lü Yongchang frowned slightly and turned his gaze toward the projection screen beside him!
He stepped over and wrote a line of equations on the projection screen with the whiteboard marker!
Whiteboard markers were not suitable for writing on projection screens.
But at that moment, Lü Yongchang clearly had no time to worry about such minor issues.
He felt an overwhelming urgency!
He had to get as much of the storm of words in his mind as possible onto the blank space before him!
Lü Yongchang wrote so quickly that before Guan Hualiang could stop him, a large swath of letters had already appeared on the white screen.
Before Guan Hualiang even had time to mourn the damage, the content before him captured his attention.
This was...
Guan Hualiang's pupils contracted slightly.
This was a way to construct an entirely new material!
Guan Hualiang instinctively searched his memory.
But even after scouring his entire mind, he could not recall anything about this material!
"What... what exactly is this...?"
Guan Hualiang murmured to himself.
The next moment, a glint of reflected light flashed at the corner of his eye.
He looked toward it and saw several students holding up their phones, recording the scene before them.
Guan Hualiang's expression darkened slightly.
Although he did not know what Lü Yongchang was writing now, his instincts as a researcher told him that all of it was crucial!
It absolutely could not be leaked carelessly!
He rebuked them in a low voice. "Everyone, put your phones down and stop recording!"
After a moment's thought, Guan Hualiang added, "No one is to leave the classroom without permission!"
Half an hour later.
Lü Yongchang slowly stopped writing.
"What you wrote toward the end-is that a method for synthesizing a new material?"
Guan Hualiang's voice came from beside him.
Lü Yongchang turned his head and nodded with a calm smile. "That's right."
He glanced at his stunned classmates and lowered his voice. "Professor, this material can solve the problem holding back controlled nuclear fusion."
Guan Hualiang's pupils contracted sharply.
The greatest obstacle to controlled nuclear fusion was none other than the temperatures exceeding a hundred million degrees generated during fusion reactions!
He turned back again, his expression grave as he studied the projection screen covered in letters.
"This material... what can it do?"
Guan Hualiang's voice trembled slightly. After all, he was a physics professor and knew little about materials science.
But... controlled nuclear fusion!
How many scientists had struggled with this problem!
Though a trace of doubt still lingered in his heart, the sight of those densely packed, painstakingly detailed derivations made that last shred of skepticism vanish.
Such rigorous derivations, such masterful use of equations...
He even began to suspect that the person standing before him was a leading scientist hiding his identity!
"This material can withstand the extreme temperatures of controlled nuclear fusion without any issues. Paired with a Stellarator, it can make controlled nuclear fusion fully achievable!"
An inscrutable gleam flickered in Lü Yongchang's eyes as he said quietly, "Professor, I need your help verifying my derivation!"
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