This memory not only made Ruan Lin feel endless grief, but also made up his mind to find the truth.

Ruan Lin cheered up and began to redesign the small gas centrifugal separator. Uranium must be more than 90 percent enriched to be weapons-grade enriched uranium, and the current 71 percent does not meet the criteria for highly enriched uranium.

The problem with low abundance is that there are too few refinings. After the gas centrifugal separator is started, the uranium-238 with a relatively large molecular mass is separated to the outside in a rotation, and the uranium-235 with a relatively small molecular mass is left in the center, which is the resulting final product, enriched uranium, and the remaining depleted uranium is discarded.

In order to improve this problem, it is necessary to add a larger number of small gas centrifuges connected in a cascade configuration, and transfer the uranium-235 obtained from the first stage to the next stage for further separation and purification, simply put, the more stages of the centrifuge in series, the higher the purification abundance.

There is a proven workaround. Nguyen Lam began to redraw the drawings of the second-generation small gas centrifugal separator.

An hour and a half later, Ruan Lin stroked the drawing with great satisfaction. The specific data and improvements of each of the second-generation gas centrifugal separators are listed one by one.

The second generation gas centrifugal separator looks like a two-cylinder steam engine. It's just that the technical gap between the two is geometrically multiple.

Ruan Lin picked up the drawing and handed it to WIT: "WIT, the transformation of the small gas centrifugal separator has been completed, let's go to re-production after analysis!" ”

WIT manipulated his small manipulator and caught the drawing: "Okay, it's about to go into production after the analysis is complete." ”

Ruan Lin once again walked to the main control room and looked out the window: there were busy figures of robots everywhere, and they were in full swing. They don't know what to do, they just know how to repeat what they're given.

The next step is to build a quantum computer.

Humans now commonly use digital computers, which run on a binary system of 0s and 1s, called "bits". But quantum computers are much more powerful. It runs on quantum algorithms. A bit at the same time, either 0 or 1. But qubits are quantum superpositions of 0 and 1, and their 0s and 1s can be computed at the same time.

Quantum computer technology has been largely implemented on Earth, but the Earth History Excavation Society, which has been searched, is not equipped on the Titan, and the central host of WIT is only a small supercomputer.

WIT's computing power is also increasingly stretched. When WIT re-simulated the original trajectory of Mars and the orbit of the indicator, it took up almost half of the computing power. If the quantum parallel technology of quantum computers had been used at that time, it would have greatly reduced the energy and time consumed by WIT work, and achieved true reversible computation.

Ruan Lin not only has to build one for himself, but also updates and iterates for WIT.

To build a quantum computer, quantum chips are a crucial step. Ruan Lin decided to use semiconductor quantum chips. And the volume of the quantum computer must be appropriately reduced, otherwise the Titan will not be able to withstand it.

Now that the manufacturing direction is clear, Ruan Lin also needs to maintain the fidelity of the single quantum logic gate.

Qubits are prone to error. These errors come from a variety of sources, including quantum decoherence, crosstalk, and imperfect calibration.

Ruan Lin needs to improve on the quantum error correction theory to stipulate the possibility of computation while protecting quantum data from these errors.

Subsequently, Ruan Lin knew the entire manufacturing process in less than 2s.

The next step is to gather the required raw materials, which will be done by WIT. Ruan Lin will also instruct WIT next, there is no knowledge of all mankind in the database.

After a month of hard work, Ruan Lin and WIT finally overcame the difficulty of quantum computers.

The fly in the ointment is that quantum computers only have 102 qubits due to the need to compress the volume.

The more qubits that can be manipulated, the more "doppelgangers" there are, and the more powerful the quantum computer becomes.

Quantum computers can only reach the peak of their computing power when they operate at ultra-low temperatures, which is about 1.5 Kelvin, or about -271.65 degrees Celsius.

Nguyen Lin had already taken this into account when designing.

The interior of the spacecraft has been appropriately modified by WIT, with two separate 'little black rooms' set up to serve as the 'chassis' of the quantum computer.

At the same time, liquid helium refrigeration needs to be pumped internally without stopping, which is equivalent to the heat sink of the computer host.

The two quantum computer chassis are set up next to the central computer of WIT. They are each 4m wide and 3.2m high.

The next thing to do is to connect the quantum computer to the ship's central host and let WIT move to its new home.

Even if it is transferred to quantum computers, WIT is not really artificial intelligence. wit still doesn't have real feelings, it can't think from a biological point of view, and now wit is just a higher mechanical AI.

Ruan Lin looked up at WIT's mechanical head: "WIT, first turn off the internal refrigeration, and then I will connect the quantum computer to your central host and transfer all your data, it will be your new home in the future." ”

Wit did his best to mimic human excitement: "Thank you, Dr. Nguyen. I've finally been able to improve my computing power! ”

After the interface between the two old and new computers is connected, the data transfer of WIT begins.

After waiting for about 16 minutes, Ruan Lin heard the mechanical synthesis voice of WIT again: "Dr. Ruan, now my computing power is about 100 million times that of before, which is equivalent to 339 million trillion times per second. The previous Mars simulation problem now takes up only a negligible amount of my computing power, and it takes less than a second to get the result from the calculation simulation, which is a truly reversible calculation. It's a wonderful change, I don't have to choose one or the other in my calculations, they are now stacked on top of each other. ”

Ruan Lin nodded: "Very good, I will also upload my consciousness to another quantum computer later, the original computer can continue to be retained, just let it do some simple calculations." After I upload my consciousness, I will also abandon my physical body, and perhaps for a long time to come, I will not need to act in the physical body anymore. We'll complement each other afterward, wit. ”

Ruan Lin once again walked to the porthole of the Titan, and asked without looking back, "Is the human cryopreservation system in the medical cabin still operating normally?" I need to save my body. ”

Wit replied, "Of course, Dr. Nguyen." Once your body is frozen, I'll build another empty room inside the ship to store your flesh, and I'll make sure not a single alien mosquito can fly into it. ”

wit seems to have learned to joke too.

Ruan Lin admits to being amused by such a cliché joke.

Next, it's time to upload your consciousness yourself.

And before that, Ruan Lin has to do one last thing, the thing that carries the wishes of 7 billion human beings.