In the end, Senior Brother Luo stubbornly did not accept his proposal, saying that he would bring back the check from the Clay Institute in its entirety and hand it over to Lu Zhou.

Later, Lu Zhou thought about it carefully and felt that his proposal was indeed a little inappropriate, so he didn't bother Senior Brother Luo, but instead asked the finance of the Institute for Advanced Study to send him $100,000 in travel expenses, and wished him a happy time with his new girlfriend in France.

Senior Brother Luo didn't refuse this money, not only that, but even asked him for an extra month of leave by the way.

It seems that he is planning to waste the money and come back......

Don't care about Senior Brother Luo, who is still in Europe.

These days, Lu Zhou has received many congratulatory messages from people.

Among them are the students and colleagues he took with him at Princeton, as well as colleagues who had a brief exchange or exchanged business cards at academic conferences, and friends who had in-depth exchanges.

For example, Tao Zhexuan.

When they were researching Goldbach's conjecture, the two worked closely together, and their relationship has been good in private ever since. Academically, both of them are all-round scholars, and their research scope covers almost all directions in the field of mathematics, so there is a lot to talk about.

On the phone, Tao Zhexuan smiled and congratulated: "Congratulations, another millennial problem has fallen in front of you, maybe the Clay Institute should update their "question bank". By the way, would you like to tell us about your next topic? ”

Lu Zhou: "For a while, I probably won't study mathematics, but think about how to use mathematics to change science. ”

Tao Zhexuan: "Like the moon landing? ”

Lu Zhou: "It's one of them!" ”

Tao Zhexuan: "It sounds exciting, my wife works for NASA and always shares with me things that are far from my field of study. If you succeed one day, remember to leave me a seat, I have never traveled to the moon in my life. ”

Lu Zhou smiled and joked: "There will be such a day, maybe one day I will hold the academic report on the moon." ”

After hanging up the phone, Lu Zhou got up from the office chair and was about to go downstairs to the cafeteria for lunch, but the mobile phone that had just been put in his pocket for a long time rang again.

took out his mobile phone and saw that it was Sheng Xianfu calling, Lu Zhou did not hesitate, and immediately pressed the connect button.

"Hello?"

"Professor......

Hearing that something was wrong in Sheng Xianfu's voice, Lu Zhou didn't think about it, and immediately asked.

"Blew up again? Did it hurt anyone? Is the device I borrowed okay? ”

As soon as he heard this, Sheng Xianfu almost didn't catch his breath, coughed a few times and said, "What exploded again!" We're not studying bombs, so nervous? ”

Lu Zhou: "......"

In a sense, fusion reactions are more terrifying than ordinary bombs, right?

But......

It's good that people are okay.

With a sigh of relief in his heart, Lu Zhou said speechlessly: "Then what are you doing mysteriously?" ”

Sheng Xianfu touched the bridge of his nose embarrassedly: "Aren't I excited?" ”

Lu Zhou: "...... Agitated? ”

"Well," Sheng Xianfu, who was holding the phone, nodded his head heavily, and said in a tone with a hint of trill, "We seem to ...... It worked. ”

The phone was silent for half a minute.

Lu Zhou calmed down, took a deep breath and said.

"I'll come over right away, and I'm talking about it."

After that, Lu Zhou hung up the phone and continued to call Wang Peng.

"Come downstairs and pick me up."

Wang Peng didn't ask much, only replied with one word.

"Okay."

Twenty minutes by car, a black red flag stopped at the entrance of the research institute.

After getting out of the car, Lu Zhou did not stop, quickly passed the curfew of the research institute, and walked straight to the corner of the research institute.

Since the last security incident, the laboratory of the Controlled Fusion Miniaturization Research Group has been moved from the corner of the institute to a temporary warehouse located next to the institute. And even so, people who occasionally pass by here do not consciously walk around.

Walking quickly to the door of the laboratory, Lu Zhou's front feet were not next to the door, when he heard a deafening cheer erupt in the laboratory, and the glass made a trembling sound.

"What's the situation?" Hurriedly entered the laboratory and quickly found Sheng Xianfu with an excited face, Lu Zhou immediately asked.

"The idea of using liquid metal as a working solution is correct! According to experimental data, it has been shown that when using liquid lithium as a working solution, we can apply greater sound pressure to the bubbles by means of an ultrasonic emitting device! And make the collapse change of the volume of the bubble more stable! In order to restrain the excitement in his heart and make his speech appear sharper, Sheng Xianfu's shoulders were trembling.

Hearing that his conjecture had been verified, Lu Zhou's face couldn't help but show joy.

But he is more concerned with how they do it than with the success itself.

"Why did you fail last time?"

Sheng Xianfu said excitedly: "At the beginning, we tried to increase the power of the ultrasonic generator, but the neutron appreciation rate could not go up, and finally we found out that the key to the problem was the deuterium-tritium mixed gas!" ”

Lu Zhou: "What did you do?" ”

"We warmed up the injection gas a bit!"

Lu Zhou's heart moved, and he immediately said: "Heating ionization of deuterium-tritium mixed gas? ”

Sheng Xianfu said with joy on his face: "Exactly! ”

A sudden expression appeared on Lu Zhou's face, and he probably understood what they were doing.

By heating and ionizing the deuterium-tritium mixture, and then pumping it into the liquid lithium through the air intake, although the ionization temperature of tens of thousands of degrees is nothing compared to the instantaneous temperature of tens of millions of degrees, the ionized gas in the expanded state will have a larger surface area than the liquid lithium at room temperature, and the energy transferred by the sound field to the bubble will also increase.

In such a case, the bubbles that collapse sharply will gain a greater instantaneous temperature, thus reaching the conditions for the DT fusion reaction to occur!

Standing next to Sheng Xianfu, Professor Li Changxia also said with excitement: "We have found a more stable way to achieve controlled fusion!" Once again, we are ahead of the world! ”

"yes......"

Looking at the simple-looking pitch-black metal round tube placed in the center of the laboratory, Lu Zhou's face couldn't help but show a hint of fascination.

The design scheme of the Hall propulsion unit has been recovered from the wreckage No. 3, and the five-axis linkage CNC machine tool will be installed in the space shuttle assembly center, and there is no problem with Xiao Ai to complete the production realization. Now that the problem of miniaturization of controlled fusion has been solved, nothing can stop him from completing the blueprint he had in mind.

Of course, even now, this "reactor" is still very rudimentary, both in terms of power and energy utilization, it is far less than the huge magnetic confinement fusion device of Pangea, and the high cost of non-reuse makes it almost impossible to use it in ordinary transportation.

However, this kind of miniaturized fusion power generation device itself is not used to supply energy for production and life, so this disadvantage does not matter.

Considering its superiority in volumetric energy density and its advantages in power over fission batteries, even if it is "slightly" expensive, it is not a flaw.

Together with the Hall propulsion unit he recovered from Wreckage 3, the device will redefine the word spaceflight in the same way that gunpowder redefines warfare.

It is no exaggeration to say that the whole world will be changed because of what they discover today......