Humanity is missing, luckily I have billions of clones.

Chapter 185 Quantum Supercomputing
With these heavy spacecraft as his last resort, Li Qingsong finally truly devoted all his energy, brainpower and resources to promoting technological development.

This is a real all-out effort, racing against time, and not daring to waste even a second.

Five years, just five years. For an average electroweak civilization, five years might not even be enough time to complete the preliminary work for a major scientific research project. But for Li Qingsong, including quantum supercomputing, the technological breakthroughs he needed to achieve, both large and small, numbered in the tens of millions!
Every minute and every second is so precious.

With Li Qingsong's full efforts, and with the material support from dozens of planets larger than a certain size and tens of thousands of transport ships shuttling back and forth, countless factories roared all day long, producing equipment and boxes of consumables, which were then all put into an almost endless number of experiments.

There were those who did nothing but lie in bed thinking, contributing their brainpower, taking care of the daily lives of these clones, carrying out the Skynet Project, ensuring that industrial production and scientific research were not disturbed, maintaining industrial production, mining, working on the front lines of scientific research, and managing the operations of various factories...

And so on and so forth, a total of 10.2 billion consciousness connections are connected to the clones at all times.

The clone still needs to rest for a period of time every day, but Li Qingsong has never rested for a minute.

In the quantum laboratory, millions of first-line clones are distributed in various research fields, concentrating on their work.

To study quantum computers, the first problem to be overcome is the stability of quantum bits.

A pair of entangled quantum particles are easily affected by external interference, resulting in the loss of the entangled state. This is the decoherence process.

To maintain stable operation, the decoherence problem must be solved.

Truly practical quantum computers require an extremely high number of qubits, making maintaining stability exponentially more difficult and daunting.

After preliminary theoretical research and actual experimental verification, Li Qingsong finally decided to solve this problem from these aspects.

The first is the research and development of new superconducting materials.

In low-temperature environments, superconducting materials are actually not rare. There are many common materials in reality that will enter the superconducting state when the temperature drops to a certain level.

However, this material is not suitable for quantum computers because, in addition to the requirement of superconductivity, it has too many other requirements, such as toughness, ductility, photosensitivity, etc.

All conditions must be met.

Following the materials science principles accumulated over the years, Li Qingsong continues to carry out research and development of new materials with atomic-level precision.

In addition to materials, Li Qingsong must also find a sufficiently powerful quantum error correction method to accurately identify quantum bits after they are accidentally disturbed and decoherent, eliminate their impact, and reduce error accumulation.

Quantum error correction algorithms are completely different from ordinary electronic computer algorithms. This is not just a mathematical task, but also involves very basic physical principles.

In order to study this set of algorithms, Li Qingsong had to simultaneously start a large amount of basic physics research, using particle colliders to continuously collide and study the changes of particles at extremely high energy levels. At the same time, in high-temperature laboratories, he raised the temperature of particles to hundreds of billions of degrees Celsius, or in high-pressure laboratories, he used diamond anvils to extremely compress the gas, even to the point of compressing it to the equivalent of the earth's core pressure, in order to obtain data on the movement and changes of particles.

In addition to the error correction algorithm, Li Qingsong must also make a breakthrough in another area.

Low temperature refrigeration technology.

Quantum computers need to operate stably at extremely low temperatures, even close to absolute zero. Generally speaking, refrigeration should not be an obstacle for Li Qingsong.

After all, the space environment itself is extremely cold, and refrigeration technology has long been mature.

In the laboratory, Li Qingsong has long been able to produce temperatures only one trillionth of a degree higher than absolute zero, and has observed a large number of new physical phenomena in such a low-temperature environment.

However, quantum computers are large in size, and require the cooling of a macroscopic object. At the same time, this macroscopic object is constantly running and generating heat. Therefore, from an engineering point of view, although the temperature requirement is only 1K, which is much higher than the low temperature produced in the laboratory, the difficulty is actually higher.

To this end, Li Qingsong had to carry out extensive research in laser cooling, magnetic evaporative cooling, and Bose-Einstein condensation to find a suitable method to cool quantum computers.

At the same time, Li Qingsong also had to study extremely precise laser low-temperature manipulation technology.

The essence of quantum computers is the manipulation of quantum bits (qubits) to enable calculations, and the means of this manipulation is lasers.

Because the object of manipulation is quantum and must be carried out at extremely low temperatures, the requirements for the accuracy and reliability of the laser controller are extremely high.

Li Qingsong must develop extremely precise light sources and controllers to overcome this difficulty.

These are merely general classifications of problems. In reality, each problem can be broken down into thousands of smaller issues, each requiring a large number of dedicated researchers. These issues can also be interconnected, creating a complex tangled mess.

But at this moment, Li Qingsong didn't even have time to feel fear in front of this seemingly insurmountable obstacle like a mountain, nor did he have time to think about how difficult it was to overcome this obstacle.

No matter how hard it is, just do it.

This is equivalent to the scientific research strength of ten ordinary electro-weak civilizations. Just like Yugong who moved the mountain, they devoted all their efforts to this task.

Time slowly passed as Li Qingsong gave it his all.

When one problem is solved, a new one will pop up. When a new problem is solved, a newer one will pop up, and it seems to be endless.

But Li Qingsong's investment of brainpower and resources will never stop.

Solve as many problems as possible, no matter how many problems will arise in the future, just do it!
In just a moment, four and a half years passed by quietly.

Looking at the huge equipment in front of him, which occupied an entire hall and consumed an energy of up to 10 kilowatts, a smile finally appeared on Li Qingsong's face.

The key breakthrough was achieved before the originally scheduled five-year period was up.

Now, a practical quantum supercomputer has finally been built by my own hands!

(End of this chapter)