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Seeing Mr. Fat go back in a hurry, Yang Rui was about to get up and go home, when McNeil came down from the attic. Because the factory has nothing to do recently, and the physics laboratory instrument hall is not led by very professional personnel, Yang Rui remembered that he knew electricity, so he asked him to help, at this time the researchers are very extensive, and have some understanding of electricity, magnetism, machinery, etc., he is still doing a good job after coming, although there are many language barriers, but the students of the physics and chemistry workshop still have a few students who can understand some pidgin English, so the beginning is not smooth, and it is more coordinated in the back, and the dry battery is quickly made outAlthough it is very simple and has no commercial value, it is still necessary to continue to improve. This also made Yang Rui show McNeill's new use, that is, to work in the real room, and therefore gave him a salary of two US dollars, which made him more motivated now, and also moved some of the things he used to make light bulbs over, and he lived in the attic that Yu Huizu prepared for Yang Rui at the beginning, and studied the topics given by Yang Rui without sleep and food.

I saw him say: "Boss, my research here has made some progress, and it is very invasive." He waved his hands, very excited, "But there are some questions that I still need you to take a look at and see if there is anything better." As he spoke, he took Yang Rui upstairs. There is still a student in the attic tinkering with something, seeing Yang Rui come up, he immediately put down the salute, these students all live in Shanghai, usually very interested in the study of things, and they are even more interested in joining the physics and chemistry workshop, especially now that there is such a real room, it is even more wasteful to sleep and forget to eat.

And they also heard a rumor: it is said that the chemical real room next door has made a thing that even foreigners don't have, the imperial court has issued a document for a patent, and several gentlemen will buy foreigners' machines to build a factory, and those who helped in the chemical real room at the beginning have a bonus of ten or twenty yuan, and there is no bonus or something, this is not the point, the key is to be able to make foreigners have nothing, which is an indescribable stimulus for them.

So as soon as the physics room opened, several physics fanatics worked day and night to do research, of course, these studies were excerpted from the middle school physics textbook by Yang Rui, and it didn't take long for them to make voltaic batteries, dry batteries, and sulfuric acid batteries, although it was a very simple thing, but everyone was highly motivated, although Yang Rui did not give them lectures, but as a real person who arranged them, he was still very respected by them.

Yang Rui saw them salute and nodded, signaling them to keep busy. This is McNeil took out a light bulb out, Yang Rui didn't know what it meant, and after a while, he saw that it was not a light bulb, and then he saw that it was an electron tube. McNeill explained: "Boss, I made this thing with the equipment used to make electric lights, and I am very strange now, when the wiring is installed in a certain direction, it can be electrified, and if the wiring is replaced, it will not be electrified, but I don't know what it is for." Could this be some new type of bulb? ”

Yang Rui was overjoyed to see the electron tube in his heart, this thing is amazing, he was the boss before the transistor, the electronics industry can't leave him, the former Soviet Union is said to be still using it until the seventies and eighties. couldn't help laughing, patted him on the shoulder and said, "How did you complete the task d I gave you last time, this thing is used for that?" ”

McNeill asked the task D, pointed to the thing on the long table by the window and said, "It's there, it was just done today," Yang Rui looked over and looked at some electronic components fixed on it, induction coils, electromagnets, hand-made variable capacitors, spark gaps, dry batteries, electric bells, an electric key for wired telegraphy and a powder detector, and then connected an antenna stretched out on the roof with a wire, which was very neatly made, and he was more satisfied, and asked: "Have you ever done actual real yàn, and what is the effect?" ”

McNeil shrugged and said, "Boss, I'm so sorry, I haven't actually used these things since they were connected, and I still don't understand what they can be used for." "For his apologies, Yang Rui is acceptable, Yang Rui can't force a light bulb to know how to do wireless telegraphy, and according to history, wireless telegraphy was only known at this time, he doesn't know what year it is, he only knows that Marconi and a Russian are working on this thing, and Marconi also opened a Marconi telegraph company, which has always been very strong in the field of electronics.

One of the two students next to him should have understood their English conversation, and he blushed and hesitated for a moment and said, "Sir, I tried according to the plan." Yang Rui was interested in hearing this and asked, "How did you try it, and what are the results?" ”

The student saw Yang Rui's question, and replied: "Connect them according to Mr.'s drawings, and then press the electric button, and there will be an arc in that gap, and after passing the capacitor, the electric bell received here will ring, but ......" Yang Rui hurriedly asked: "But what?" ”

"But that place," he said, pointing to the capacitor, "there was smoke here, and I thought it was a short circuit, but after checking it, there was no problem, and then I replaced it with a new capacitor, and it turned out to be like this." Later, I removed the battery, and when I made it again, it was still like this, and I didn't know what to do. After speaking, he took out a record sheet and handed it to Yang Rui.

Yang Rui took it and saw that it was written very clearly according to the format, and wrote the adjustment on it, but he couldn't find the reason for the failure of the real yàn, he nodded deeply and said: "You did a good job, we have to record it well every time, and find the reason realistically, now it seems that the capacitor is not good, the voltage is too high, so the light reduction battery is not good, it is really the reason here in the transformer, adjust the coil to bring the voltage down, and then try if the capacitor will burn out." ”

Yang Rui is actually a second knife, but in front of these students, he can still pretend to be a tutor, according to the actual record of this student, it should be the current or voltage is too strong, so the capacitor of the handmade zuò is scrapped, as for whether it is because of the current or because of the voltage, he doesn't know, the second knife, not to mention that the things in the middle school physics textbooks are very simple, but they are not simple, and he has long forgotten about it, how many years.

While the two students were adjusting the transformer coils, Yang Rui said to McNeill: "Wick, it's a very important task, you know the telegraph, right?" Seeing him nod, Yang Rui continued: "This is also a telegram, but it is a telegram that does not require wires." ”

McNeill looked surprised: "Oh God, is that true?" Boss. Suddenly he remembered something again, and cried out, "Oh yes, yes, I know, I know...... When I was in the United States, I heard about this thing, it seems that there is a European who is studying this, and they all say that he is crazy, how can he report it without wires? After he finished speaking, he immediately thought that Yang Rui was the person who was about to do this, and immediately closed his mouth.

Yang Rui didn't blame him, but he didn't have too many theories to tell him why he could report wirelessly, so he could only speak with facts: "Doesn't this real record record record that this is something that can be done well, nothing is impossible, as long as we spend energy to keep experimenting, isn't the light bulb you made that Mr. Edison did more than a thousand times to succeed?" Yang Rui felt that the design he gave in the book was a relatively advanced design, especially now that he had made an electronic diode, which was more confident than Marconi and them, and they should still use the geophone made of metal powder.

McNeill saw that what Yang Rui said was also true, if wireless telegraphy is indeed feasible, then he is happy to study this magical thing, telegraph is a very lucrative industry, if there is no wire, then there is no huge investment in cable, the profit will be even more lucrative, although now the cable telegraph is operated by people, it is very likely to interfere with the establishment of the wireless telegraph network, but if you can't establish a wireless telegraph bureau, just selling wireless telegraph is also a very lucrative business.

Yang Rui didn't know that McNeill was in YY, but he thought of the electron tube again, and said: "Wick, we have to make this gadget better, according to what I said, add a gate to it, and turn it into three poles, this thing is to use wireless telegraphy, he can amplify the received signal and replace the powder detector, so that the transmission distance of wireless telegraphy can be farther." And that capacitor, the power that can withstand is too small, and we have to find a way to make it more bearable, and if the power increases, the transmission distance of the radio wave will also increase. Yang Rui said almost everything he knew about wireless telegraphy, and he didn't know what to say.

McNeill recorded it carefully, saying that strengthening the capacitor and adding new gates to the glass management are achievable: the capacitor can only be replaced with materials, and the insulating paper was used before, and it seems that the effect of these insulating papers is not very good, which is also the reason for the scrapping of the capacitor, there is no problem with the energized metal, as long as there is a better insulating material, then there will be a better capacitor; There is no problem with adding the gate to the glass tube in a vacuum, the light bulb is his old job, but it takes time to do these things, and it is Christmas in China, the students are going home, and the current two students will not be able to come the day after tomorrow, and the person who will come back as soon as possible will be more than a week later, he has no assistant, but many things need the cooperation of two people to complete.

When he was complaining, the two students had already finished the transformer coil, signaling that a new test could be started, Yang Rui nodded, one of them pressed the electric button, and the electric bell of the receiving machine on the other side rang, McNeille immediately stopped complaining, and immediately pounced and said, "Oh, God, it was successful!" That's great. "There is no problem with the capacitor this time, it has been normal volatilization, but Yang Rui knows that the current signal transmission distance must be much closer than the previous signal, seeing that several of them are very excited and smiled, this time it is a success, but the current wireless telegraph basically has no practical value, or take time to improve, as if wireless telegraphy can transmit thousands of kilometers, but only a dozen, the use distance is a hundred kilometers, then it has some value.

McNeill was constantly tossing the simple telegraph, and using Moss code to report, making it very happy, and then asked the students to get the newspaper receiver downstairs, and then reported, and after a while, the people below ran up and took a piece of paper to record the contents of the newspaper, and then moved the telegram to a student's house farther away, and half an hour later, I saw him running back angrily and saying, excitedly shouting: "Received, received." ”

Yang Rui just smiled after hearing this, and he was always very excited to know something new through his own hands. He ignored the stubble and began to draw a diagram - in fact, it was to draw an ore radio, although the headphones did not know how to do it, but the general circuit diagram was in the physics textbook. In the wireless industry, this is in addition to the telegraph service there is a good thing that can make a lot of money, the wireless telegraph is expensive, but you can't buy it everyone, this ore radio can be bought by everyone, the example of monosodium glutamate makes Yang Rui understand that the real money-making industry is actually daily necessities, in today's science and technology has not been fully popularized today, high-tech can not bring high profits, only everyone uses it, and the monopoly is the real profit.

McNeil was already addicted to playing with this, and he even asked his friend Harry, an engineer he had stolen from a light bulb factory, who had gone to college, was good at electricity and magnetism, and was said to have studied wireless telegraphy before. If he had joined, the research would have progressed much faster - he was already eager to study this magical telegram in depth in anticipation of the day when it would be put into practice. Yang Rui agreed to this and handed over the right to choose people, but the people who came must be professional, and if they didn't come professionally, they wouldn't be of any help. McNeil patted his chest and said, "Boss, I swear in God's name that the person I found will definitely be able to advance this research." ”

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