It is extremely stupid to use a ship as a probe, and the main thing is the fuel problem.

Detectors with a long battery life must be manufactured.

Regarding the shape of the probe, Ruan Lin thought of the water droplets in the famous science fiction novel "The Three-Body Problem" of the Earth era.

He also wants to design the probe of the Earth's civilization to look like this.

Ruan Lin also consulted the pictures and specific descriptions of the shape of the water droplets, and all such technologies have been discovered, and the most important is the strong interaction force device inside.

After seeing the "atom", the water droplets in front of it can only be regarded as a small thing.

The solution to the mechanism of strong interaction forces is extremely simple: it collides with matter.

The overall design of the water droplet took only 13 days.

It is about the same size as expected, 3.5 meters long, with a rounded head and an extremely sharp tail, as described in the novel, and when the strong interaction mechanism is activated, it has an extremely smooth reflective surface on the outside, but it still appears to be pure black.

This pure black color makes it look very delicate as a whole, and the whole really looks like a "drop of water", or rather, it is like a drop of black oil.

This delicate effect cannot be seen on large ships, because the water droplets are smaller and the strong interaction force device fits together better.

But it can't make an acute-angular turn without slowing down, as in the novel, violating the laws of conservation of momentum and angular momentum.

There is also no mention of the engine used by the water droplets or the energy source used to drive them.

Naturally, it cannot be driven by a controlled nuclear fusion engine, its role is only a detector, and there is no other means of replenishing fuel, and it is extremely difficult to maintain the internal strong interaction force device.

Ruan Lin decided to use a "controllable fusion battery" as a backup drive energy source, xenon as a fuel, and a well-established "Hall thruster", which is already the most cost-effective thruster.

For this purpose, Nguyen Lam designed a single-channel Hall thruster with a maximum power of 420 kW and a maximum thrust of 18.4N.

Although this thrust seems a bit laughable, it takes 5N to pick up a 500ml bottle of mineral water, but over time, the acceleration obtained by the water droplets is extremely impressive.

According to relative calculations, after 1,000 hours of flight, the speed of the droplet will reach 80 km/s, and after 100,000 hours, the speed will reach 800 km/s.

The propulsion method has also been improved by Ruan Lin, and it is expected that only 10 kilograms of xenon will be consumed in one year of non-stop flight, and one ton of xenon can make water droplets fly for 100 years, which is also impossible for other engines to do.

The total weight of the droplets is 5.7 tons, of which 4 tons are stored in xenon, which means that the xenon gas inside the droplets is enough to last for 400 years, let alone controlled fusion batteries, regardless of other energy consumption.

A quantum communication device and object detector are also installed inside it, and as long as the signal is lost or an anomalous object signal is sent, the earth civilization must abandon everything and run away immediately.

At its most radiant, it will travel close to 10% of the speed of light.

Ruan Lin decided to launch 100 drops at the same time, and the comet-class destroyers would fly them out of the Gliese 667C first, and then it would be their own stage.

"I have to admire the human brain! There are not a few cases of science fiction things coming true! ”

"Fiction is just an idea in the human mind, and whatever is depicted in it doesn't matter if it really exists in the real world, as long as he does have that idea, it can really exist."

"Not just Cavendish, but Godwin, Bacon and others, a lot of what they had imagined is now a reality. Their imagination is not necessarily a poem of joy and wonder before it is discovered by empirical evidence, and even if it has not been verified by experiments and logic. ”

Ruan Lin smiled self-deprecatingly: "The human brains about this aspect may be incomparable to other civilizations!" ”

After the water droplet probe was sent, Ruan Lin directly gave up the idea of a "stellar system defense front".

Ruan Lin also carried out a moving operation afterwards, transplanting the short-range jump engines of the Titan, Photon, and Quantum to three stellar battleships.

Two optical computers, along with their own human bodies, were also relocated to Earth.

As long as these three ships do not perish, the earth civilization will have the capital to start over.

Nguyen Lam also shifted the direction of production: the main production of meteor-class and comet-class destroyers, and the secondary production targets were planetary-class cruisers and battleships.

Mass production of stellar-class battleships is still unrealistic, and it is necessary to give full play to its powerful productive forces and unity of will as an infinitely multiplying civilization to achieve an overwhelming victory with overwhelming numbers.

In the last 300 years, Nguyen Lam planned to produce 7 more stellar battleships.

Until then, it's time for WIT to do a fleet statistics report.

"WIT, what is the number of ships of each type?"

wit replied: "Dr. Ruan, it is now 344 years since we arrived at Gliese 667C, relying on the resources of the three planets and countless space elevators, there are a total of 6.2 million meteor-class destroyers, a total of 920,000 comet-class destroyers, and ships of planetary class cruisers and above will be greatly reduced because they occupy more space elevators."

There are a total of 10,000 planetary-class cruisers, which is equivalent to 12 days to build one, which is already a qualitative leap compared to the previous manufacturing speed.

There are currently only 600 planetary-class battleships, 3 stellar-class battleships, a total of 50,000 docks, and a total of 200,000 dock ports. ”

Ruan Lin nodded with great satisfaction, and in 300 years, these figures will double again.

What he didn't know was that in his immersion in the results, a being in some dimension had been observing him for more than two hundred years.

But in fact, the "concept of time" for these 200 years does not exist for it.

It decided to reach out to Nguyen Lin.

"You seem to be in some trouble?"

Ruan Lin was immersed in the stage of deliberation of the Great Unification Theory at the moment, and this passage suddenly appeared in his consciousness.

He shook his head in consciousness, thinking to himself again.

"I can help you."

Ruan Lin was completely stunned, this was not his deep consciousness talking to himself.

He stopped thinking in his consciousness, this kind of thing is simply incredible!

He hurriedly asked, "WIT, have you received any communication messages?" Did you receive two messages yourself? ”

"No, Dr. Nguyen, the probes are operating normally, and the entire fleet has not received any signals."

WIT's reply made Ruan Lin feel cold, there was no shadow of any civilization fleet around, and it didn't receive any information, so what kind of existence was contacting him?

This kind of communication is simply unbelievable, sending messages directly through consciousness and does not require any language translation.

"Don't be afraid, you can communicate with me directly."