***

"陛xià, 陛xià"

Qin Mu was listening to Li Xiangjun reciting the chapter, and Han Zanzhou's voice came from outside the Pujia Palace, Qin Mu listened to the excitement in his voice, and knew that he must have something good to report.

"Old Han, come in, what's the good thing?"

Han Zanzhou hurriedly walked into the hall, bowed down and bowed: "Your Majesty, Huang Sheng, it's Huang Sheng again, he built the generator and the electric light cannon, the slave has seen it, it's lit, the electric light cannon is really lit."

"Really?" Qin Mu couldn't help but stand up.

"Your Majesty, go and see, the lantern is really bright, this is the most amazing thing the slave has ever seen in her life, the filament can really light up"

Han Zanzhou was a little incoherent, obviously overexcited.

Last year, the Department of Internal Supervision and R&D invested more than 800,000 dragon coins as funds for more than a dozen scientific research projects such as steam engine improvement, generator, tungsten wire development, aluminum alloy smelting, petroleum refining, and rubber refining.

But last year, none of the scientific research results came out, and Qin Mugang asked Han Zanzhou about this matter when he returned to Nanjing.

The pressure in Han Zanzhou's heart can be imagined, he has invested so much money, but he has not achieved the results, and no one is happy.

Now that he has finally made a breakthrough, he can be said to have rushed over and reported to Qin Muyu as soon as possible.

Qin Mu didn't say a word, and immediately drove out of the palace and came to the Internal Supervision R&D Department on the west side of the Noon Gate.

A separate courtyard is surrounded by researchers from the R&D department.

As soon as Qin Mu arrived, he immediately fell to the ground, he just waved his hand, he didn't care about answering them at all, so he went directly to the small courtyard.

"What about Huang Sheng? Huang Sheng! ”

"陛xià, Weichen Huang Sheng see 陛xià."

"Get up, and take me to see your lights."

"Yes, Your Majesty."

Huang Sheng himself was also excited. He led Qin Mu to a spacious room, where there was a long table full of various tools and equipment.

On the left side of the room, by the window, there is a small steam engine, with a belt on the runner of the steam engine, and at the other end of the belt is connected a simple generator, which is called simple because even the shell is very rough, and part of the copper coil can be seen from the outside.

The structural diagram of the generator was originally drawn by Qin Mu to the Internal Supervision R&D Department, and the structure of the generator was not complicated. The main components are copper wires and magnets.

The copper coil is fixed on a stator, and the magnet is fixed on a rotor, and the rotor rotation is the rotation of the magnetic field, and the stator coil cuts the magnetic field lines and generates alternating current in the stator coil.

With Daqin's existing technology, it is estimated that it is still difficult to generate generators on a large scale, but knowing the principle, it is possible to develop a small number of tests. Didn't Huang Sheng do it?

Because there is no battery, the current generated by Huang Sheng's generator is directly fed to the lamp.

He excitedly explained, "Your Majesty." Weichen used the heavy stone of Da Geng out of the stone, refined it, and then made it into filaments. ”

It's okay if Qin Mu doesn't look at it. I want to laugh when I see it, not only is the generator ugly, but even the lamp is so ugly, and I don't know what he seals the top of the glass cover. There is no aluminum base like the light bulb of later generations, and it looks as if it has been sealed with countless fly droppings.

But no matter what, the filament inside is the same. Qin Mu also finally figured out that the heavy stone mentioned by the Ministry of Industry should be tungsten ore, and the one they used to refine from the crucible and used as a lathe drill bit should be hard tungsten steel.

And now, Huang Sheng also uses this heavy stone to refine tungsten filament.

Qin Mu didn't want to listen to him explain any principles, he knew no less about those principles than Huang Sheng, what he wanted to see was the result. "Huang Qing, quick, try to show me."

"Yes, Your Majesty."

Several of Huang Sheng's assistants immediately took their own actions, first starting the steam engine, the big runner of the steam engine drove the small runner of the generator, as the fire of the boiler became more and more vigorous, the speed of the steam engine became faster and faster, and the shaft of the generator rotated rapidly.

At this time, Huang Sheng went up to connect the copper wire connected to the lamp cannon and the copper wire of the generator, Qin Mu stood five steps away, staring closely at the lamp, only to see that the lamp was first red, then shining, scattering a slightly yellow light.

Looking at this scene, Qin Mu's heartbeat accelerated inexplicably, electricity, Da Qin can really send out electricity in an artificial way, and he also successfully lit the lamp.

It's a miracle, it's an exciting miracle!

"Quick, close the doors and windows, and lower the curtains." Huang Sheng shouted urgently.

Several assistants immediately ran to close the doors and windows, blocking the light from the outside of the house, and only the light cannon in the room emitted a yellow glow, which was a little brighter than it had just looked, and a little harsh.

"Okay, good, good, it's really done, my Great Qin, there really is an electric light. Huang Sheng, this is a great invention, and your name will go down in history forever. ”

"Your Majesty, Wechen didn't dare to take credit, Wechen just turned His Majesty's idea into reality according to what His Majesty said. To say that this invention should be attributed to His Majesty. ”

"Hahaha Huang Qing doesn't have to be humble, there may only be a paper gap between the idea and reality, or it may be out of reach, whoever can turn the idea into reality, this invention is who's."

Qin Mu circled around the glowing cannon, as if he couldn't get enough of it.

In later generations, television, visual brains, neon lights, bizarre lights, dizzying, ghosts will stare at a lamp.

But this is in Daqin, where there is an electric light to see, and even though it is so ugly, it makes people want to hug it and kiss it.

After about a cup of tea, Qin Mu was about to reward Huang Sheng in a big way, when the light cannon suddenly flashed and went black.

"What's going on, quick, open the doors and windows." The house fell into darkness, Huang Sheng was in a hurry, very anxious, he couldn't wait for others, he ran to open the door by himself, and then hurriedly ran back to check around.

Qin Mu also walked up, and as the doors were all opened, the room was bright again, and Qin Mu clearly saw that there was a faint wisp of white smoke inside the glass lamp, and the tungsten filament inside it was also broken.

"This majesty, the crime of Weichen deserves ten thousand deaths"

When such a thing happened, Huang Sheng was anxious and embarrassed, and he didn't know how to explain it for a while.

Qin Mu comforted: "Huang Qing doesn't have to worry, I came to ask you, have you pulled out the air in the lamp and sealed it?" ”

"Back to your majesty, it's already smoked."

"Here, take out the filament inside."

"Yes, Your Majesty."

Huang Sheng asked his assistant to stop the steam engine, and then with pliers, he clamped the sealing body on the muzzle of the glass lamp, and took out the filament, Qin Mu took the filament and went to the door to watch carefully.

"Huang Qing, when processing filaments in the future, it must be more fine. As far as I know, the biggest problem with the light bulb is the sublimation of the filament, because the slight difference in resistance on the filament will cause the temperature to be different, and where the resistance is large, the temperature rises faster, and the filament sublimates faster, resulting in a cycle of thin tungsten filament and further increase of resistance, and eventually the tungsten filament burns out. ”

In fact, Qin Mu also knew that replacing vacuum with inert gas could slow down the sublimation of tungsten filament, and later generations would inject inert gases such as nitrogen, argon or krypton into the light bulb, which could greatly increase the life of the filament.

It's just that no one has been able to separate the noble gas yet, and more research is needed in this area.

Huang Sheng hurriedly bowed and said: "Thank you, Thank you, Your Majesty, for your advice, I will definitely improve it in the future." ”

Huang Sheng looked ashamed, after all, the emperor put down the military and political affairs and rushed to watch it in person, but in front of the emperor, he smashed it. This made him feel very uncomfortable.

Qin Mu didn't change his excitement, and comforted him repeatedly: "Huang Qing doesn't have to blame himself, I saw it, the lights are on, this is more important than anything else, everything is difficult at the beginning, you have successfully taken the first step, and you can improve it in all aspects in the future, I believe that it won't be long before I will hear your good news again." ”

"Thank you for your grace of not sinning, thank you."

"Alright." Mu Qin let out a long breath, suppressed his excitement and said, "Old Han, come, give Huang Qing a daughter"

"Majesty, majesty" Huang Sheng bowed down and said sincerely, "Majesty, as the so-called reactive is not subject to truth, this time the micro-minister does not dare to receive the reward, His Majesty, after the micro-minister improves the lantern and can achieve practicality, if His Majesty has something to give, it is not too late for the minister to receive it." ”

"Hahaha Okay, I like your unyielding energy, your reward will be kept for you first, and I will double it for you in the future."

"Thank you."

Qin Mu carefully inspected his generator and lamp cannon again before happily leaving the Internal Supervision R&D Department. Anyway, today is a good day, Daqin has electricity and electric lights.

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PS: Don't delay, hurry up and present today's plus more, thank you for the monthly pass, thank you.

(To be continued......)