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After the record was recorded, Alex took the master tape with him.

However, he left a few copies of the pressed record for Rudy, and others also got one to keep. Only two or three of these original records eventually survived into the 21st century, and one of them was in Alex's possession.

Someone once put one up for auction in 197o, and it fetched a whopping million dollars. I haven't heard of anything like this since then, and the value of this record has become higher and higher, and it has reached the point where it has become priceless.

After these days of recording work, Alex realized that it was really inconvenient to live in an era without computers.

"If only there were a computer! It's much easier to record like that. It's a pity that computers in this era are still military supplies, and more importantly, the current computers are still the first generation, and the size is terrifying. Alex couldn't help but complain in his heart.

Wait a minute! The computers that have just started are all tube digital machines, so that means they haven't used transistors yet!

Alex suddenly felt a big problem, that is, whether to push it appropriately! Advance the world's computer technology a little earlier, so that the era of computer popularization will come sooner. The question is, what is he going to do so that he doesn't get the attention of the Pentagon.

You know, from electron tubes to transistors, the computing degree of computers has increased from thousands to tens of thousands per second. It has been improved by more than 1o times. The most important thing is that the volume is much smaller. This technique appeared in the hands of an eight-year-old child, and it shuddered to think about it.

Alex thought about it for a long time, and now he didn't seem to know much about computer hardware. However, he did know that the transition from tubes to transistors was a very smooth thing for computers, and he only needed to replace the original tubes with transistors. The problem is that there are not so many types of transistors today, and it will be a few years before there are enough transistors to replace tubes.

The first transistor was made in 1947, and in 195o, there were already bipolar transistors, and it was not until 1953 that they were actually commercialized. The question now is not whether Alex can figure it out, but whether he can get his hands on such a high-tech product as a transistor.

He laughed self-deprecatingly, "It's a real worry, whether I can get the transistor or not is a question." ”

After figuring out the problem, he put the question aside, but he still planned to find someone to ask, and if he could get the transistor, he wouldn't mind pretending to be a genius. There are many strange things in this world, why should he tie his hands and feet, people should be free to live.

Alex was looking for professors at the University of Chicago, who remembered him well and kept in touch with each other. This time I just asked them to help. He was looking for the math professor, a professor named Sawyer, who had been teaching in Chicago for more than a decade.

Soon, Professor Sawyer had news. He is not an expert in this area per se, but some of his colleagues and friends know. It just so happened that a friend was in the Bell room and knew everything about transistors.

His friend was William Shockley (i11iamshock1ey), who happened to be one of the three men of Ming Transistor. Shockley was working on bipolar transistors when he received a call from an old friend, and he said everything he could say. The information on the transistor was no longer classified, and it was patented in 1947, and it was a sensation all over the world at the time.

"Sawyer, why did you suddenly ask about these things? I remember you weren't very interested in transistors before. Shockley asked curiously.

Sawyer said unabashedly: "yes, I'm not interested in it yet. However, I have a friend who is curious about your research and asked me to inquire about it. By the way, do you have any information over there? I want a copy, the more detailed the better, of course, don't give me the secrets of your room. If it is known, it will be difficult for you and me to be good. ”

Shockley laughed, "You still want secrets, dream!" No problem, I've got some outdated stuff here that you can take. By the way, who are you talking about? ”

Sawyer then told Alex about it, and at the same time emphasized that he had tested an IQ of up to 22o. He has a lot of confidence in Alex, and he has been in contact with Alex for the past few years. The other professors at the school didn't think Alex had that much IQ, which was a mistake with Sawyer's test method.

He had been working on IQ tests for a long time, and when he was denied, he was very annoyed. So I tried to find evidence to prove that my opinion was correct.

"Wow! The IQ of 22o is much higher than mine! Shockley quipped that he wasn't too interested in the IQ test.

However, people in this era are superstitious about these things, and many people are studying them. Sawyer is one of those experts, math professors are just a means of making a living, and IQ tests are his hobby.

"This kid has such a high IQ, what's his name? Maybe I'll see him in the newspapers in the future. ”

"I'm sorry, I can't tell you his name. I made a pact with his parents to keep it a secret for them. ”

"Okay, okay! You've been studying IQ tests all along, but does this thing work? ”

"If you don't believe it, forget it, anyway, I think IQ tests are useful and allow us to find ways to improve the quality of humans all day long. Through eugenics, it is possible to selectively retain the high-IQ race and eliminate the low-IQ race. ”

"You're in danger of talking, friend! I remember that the Nazis did the same. ”

IQ tests have been around for more than 100 years, and during World War II, Germans believed in this method, believing that they could be classified into three, six, nine and so on by passing a single test. They shouted that the Aryans were the best race!

Not only in Germany, but also in the United States, there have been times of this crazy superstitious IQ. The United States has pioneered the eugenics movement in human history, and more than 3o states in the United States have successively carried out forced or secret sterilization operations for "non-eugenic groups", because the government believes that the IQ of these people is too low, and if they give birth to offspring, it will lower the IQ level of Americans.

There are also some states in the United States that require death row prisoners to take an IQ test, and if the IQ is below 7o, they will be considered mentally retarded and cannot be held accountable for their actions, and the government cannot put them to death.

Sawyer, of course, also knew about those black histories, and he retorted: "Since you don't believe in the accuracy of IQ tests, then what are you worried about? ”

Shockley was dumbfounded by his words, and the two hung up the phone after chatting for a while. Sawyer ignored Shockley's teasing, believing in his own research and believing that Alex would eventually prove his test right.

The information was quickly sent to Alex, and after just a casual look, he appeared, and until now the bipolar transistor has not been revealed. He only knew that 195o should have been known, but he didn't know who knew it.

As a science student, Alex certainly knows the principle and structure of a bipolar transistor. Education in the Celestial Empire is good at this, no matter what kind of knowledge, whether it is useful or not, the school will try its best to stuff it into the students' heads.

The so-called bipolar transistor is actually a transistor with two back-to-back PN structures and a current amplification effect. In this era, the point-contact transistor has just been created, and it has not yet been developed into a junction transistor. The conditions are ripe for manufacturing technology, but people have not yet thought of using PN structures to manufacture.

BJT transistors have two basic structures: PNP type and NPN type. Among the three layers of semiconductors, the middle layer is called the base area, and the outer two layers are called the emission area and the current collection area. When a small amount of current is injected into the base region, a large current is formed between the emission region and the collector region, which is the amplification effect of the transistor.

Alex hesitated, but he still wrote down what he knew on a piece of paper, casually listing the structure and voltage parameters of various transistors. Of course, it is all explained in the tone of conjecture and speculation.

Bipolar transistors, also known as semiconductor diodes, mainly rely on PN to settle wages. Depending on the PN structure, there will be different types of diodes.

Point-contact diodes are formed by pressing a metal pin on a single wafer of germanium or silicon material, and then passing the guò current method. This type of diode is simple to build, inexpensive, and has a wide range of applications.

There are also bond diodes, alloy diodes, diffusion diodes, countertop diodes, planar diodes, etc., all of which are written on paper by Alex in a illustrated way. He just studied casually for a while in his spare time when he was singing, and he drew quite well.

There are still some that have not been written, and those are diodes that use alloy technology, which is difficult to implement with current technology.

Alex writes in great detail, this kind of thing is already rotten in later generations, but it is the most advanced thing in this era.

The most important thing is the theoretical parameters, and with this part, for those who are familiar with transistors, it is a detailed design description drawing.

While Alex was reviewing the materials and writing down this bipolar transistor structure description, Sawyer wasn't idle. He had been staring at Alex's movements and expressions, and he had also read the information given by Shockley, and he didn't understand anything about it.

Unexpectedly, after Alex finished reading it, he pondered for a moment and was about to come with pen and paper, drawing and writing, and he could see that the content on it was a structural design diagram of a transistor. What he cares about is that the transistors also have parameters listed.

"How the hell did he do it?" Sawyer was silent on the surface, but he was already shocked in his heart.

Science is not about singing and painting, patting your head can produce results, and if anyone dares to do this, they will definitely be beaten into the likes of evil scientists. For example, Nikola Tesla, who claimed to be able to do real things in his head, has achieved remarkable results, and modern society is based on his alternating current. However, he was ostracized by the entire scientific community, and even slandered as a liar, and the end of his later years was extremely bleak.

Ordinary people may not know the legend of Nikola Tesla in the scientific world, but Sawyer's generation knows it very well. People who don't know Tesla will vigorously deny Tesla's achievements, thinking that this kind of creation can be figured out in their minds without real facts, and it is completely crazy nonsense.

Science classifies the incomprehensible as superstition. For the outliers among the scientists, they will even come up with the methods of religious guardians to deal with witches, and try to eliminate each other. Soon after Tesla's death, his achievements were erased by these people, so that decades later, people could only learn about him through some unofficial records.

Only those who know Tesla will be impressed by the intelligence of the other party. Mark Twain, for example, was once close friends with Tesla, and he believed in Tesla's statements. Mark Twain saw Tesla create a ball of lightning and play with it in his hand. In his eyes, Tesla is mysterious, incomprehensible, but not a liar.

To this end, he also wrote a novel based on Tesla. The name of this novel is "The Mysterious Stranger".

Sawyer had the pleasure of meeting Tesla, who, in his judgment, was a scientist with a lot of personality. Others may not be able to understand Tesla and attack Tesla's personality because of it. Sawyer doesn't have a way to understand, but he thinks that Tesla may be a little naïve, but definitely not a liar.

That being the case, Tesla is certainly a genius that ordinary people can't understand. So where is the difference between them, is it IQ? At that time, Sawyer thought about it for a long time, and finally devoted himself to the study of the IQ test, wanting to find out the secret.

Less than a decade after Tesla's death, Sawyer saw a similar genius, and how could he not be surprised.