Because of his longing for that world, the emperor had studied the picture book carefully, so he quickly recognized what it was: a small electric light that could light up the whole room, which could not be extinguished by the wind or wet by the rain!
He looked up at Chuanwen in disbelief, with only one thought in his mind—the child had truly become a great hero!
This is not just the future of the Great Jin Dynasty, it is the well-being of the people and the hope of mankind!
The emperor seemed to see the magical world in the martial arts illustration book beckoning to him. He was so moved that he wanted to grab Chuanwen and spit on her. He hated it! Why wasn't Chuanwen his own daughter?! Jealousy! So jealous!
However, Chuanwen felt a chill run down his spine from the emperor's gaze and quickly poured cold water on his enthusiasm, saying, "It's just that it can't be popularized yet."
The intense light that had pierced through Chuanwen's eyes vanished instantly. At that moment, as Chuanwen stopped cranking the handle, the light from the electric lamp gradually dimmed.
"Why?"
The emperor posed his own profound question.
Chuanwen tilted his head and thought for a moment, trying to avoid technical terms and explaining to the emperor in terms that ordinary people could understand.
First of all, to generate electricity, you need various metals such as iron, copper, and tungsten. Although Da Jin is rich in minerals, many of them are not yet widely available. The magnet in the manual generator she made was something her cheap grandfather had a hard time finding. And the tungsten filament for the light bulb was originally a stone when it was given to her; she had to find someone else to process it.
Putting all that aside, if we want to make it widespread, we can't rely on manual labor anymore; that would exhaust people. (The text doesn't mention wind power or mechanical energy conversion into electricity, perhaps to avoid confusing the emperor.)
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