"Sizi, you seem so anxious, is there something happy that you want to share with your mother?"
The little princess raised her head, her eyes sparkling with excitement, and showed the light bulb in her hand to Empress Changsun.
"Mother, look, this is the light bulb Sizi just made!"
"Soon, the nights of our Tang Dynasty will be as bright as the days."
"Light bulb?" Empress Changsun looked at the glass in the little princess's hand with the same puzzled expression.
This time, the little princess did not explain any more, but made a solemn promise.
"Mother, wait a minute! I'll make the light bulb and show it to you right away!"
As she spoke, she reluctantly broke away from Empress Changsun's warm embrace, ran to the table where she had just been working, and continued to work.
With her ingenuity, the little princess easily threaded the carbonized bamboo filament into the light bulb.
Then use special glue to seal the small hole to ensure the airtightness inside the bulb.
As for the vacuum environment, the little princess also knew about it, but since the conditions were not available at the moment, she could only make do with it for now.
It doesn't matter if the lifespan is shorter! It's not like it can't be used.
After completing the last step of making the bulb.
The little princess carefully picked up the brass wire that had been prepared nearby and connected the generator to the light bulb.
Then she gently placed the set on the table with a satisfied smile on her face.
"Sizi? Is it ready?"
Li Shimin followed the little princess into the hall and saw that she finally stopped what she was doing.
An irrepressible anticipation suddenly surged in my heart, and I asked anxiously.
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