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When the exploration team's drill bit lost its support and fell, some people realized that there was probably an empty gun below, and at least there would be no other ice surface that had been saved. In fact, some people had anticipated this before drilling to this location.

.

It is also ice, and different ices have different temperatures. Although the thermometers of people in this world are not made of water and do not use the boiling and solidification of water as the temperature scale, they have also made their own temperature measurements.

The equipment can measure the temperature of the ice here.

It can be seen that the temperature of the ice is higher as it goes downward. Although the ice will not hurt people, the initial drill bit has already started to become red hot at this position. In other words, it must be replaced with one that can be used in water.

Only a high-temperature resistant drill bit can continue to move downward in this environment.

This shows that the ice here is already close to melting, which is extremely hot for this world.

In this environment, it is basically certain that there is a high-temperature pedicle under the ice, either water or something else.

The fact was similar to what they had guessed. The drill bit fell down and was pulled up again by the rope they pulled from behind.

But this time, what they saw was the endless water under the ice. The end of the water here was almost endless, and it was pitch black below. If they looked up, they could only see extremely dim sunlight, hundreds of meters thick.

The ice layer blocks most of the sunlight. Well, there are almost no living things in the ice in this world. The ice layer above is quite transparent, so the light can still penetrate to the bottom of the ice surface. As for the ice below

Water needs more courageous people to explore.

The members who can participate in this exploration team are definitely not lacking in courage. Some people have already put on diving suits and have ropes hanging on their bodies to explore downwards. Although the deep, dark abyss-like scene below is really scary.

But it cannot hinder human curiosity or prevent humans from continuing to explore downwards.

The diving suits in this world are made of materials that will not melt in the water. Ordinary materials cannot withstand such high temperatures. When a person is wrapped in the water, even these high-temperature-resistant metals are heated to

Extremely high temperatures will not burn people.

In addition to metal oxygen tanks and the like, diving bottles also need breathing masks. They are all made of biomass, such as animal fur and the like.

After all, underwater activities still require some soft materials to cover the mouth and nose and allow breathing.

If it were all made of steel, it would be difficult to make the material just right to fit the shape of the human face. In this way, the diving suit was put on the explorers and they dived into the deep water.

It's a pity that although they had the courage to dive, the equipment they brought this time was really not enough. Although they dived into deep water, the water pressure that the human body can withstand is limited, and they dived to thirty or forty meters.

By that time, I basically couldn't bear it anymore and had to return, and this distance was still too far from the bottom of the water.

I tried using a long rope hanging stones before. I found that the water depth here is more than 100 meters, and after reaching that level, the rope is no longer long enough. After connecting sections of rope, it reaches 800 meters, and there is no

After exploring the true depth of this pool, some people even couldn't help but guess whether this pool would be infinitely deep and could fall all the way down, and then the pressure below would increase and increase, eventually compressing a person into a point.

Of course, these are just conjectures, and the real situation must be quite different from what they imagined.

Although the members of the exploration team had courage, it did not mean that they wanted to die underwater. After realizing that they could not continue downward, they decisively chose to pull the rope and let the people above pull them back up. After returning to the ice

, everyone began to think, should they continue to explore forward, or should they return to where they were and call more people over to explore this water source?

This place is really precious to humans, with almost endless liquid water. There is simply no environment more suitable for human survival than here.

Having lived in underground caves all year round, they even came up with an idea. That was to open a passage in the underground cave, connecting it to the bottom of the mirror-like ocean. Then, they could continuously transport water through this tunnel.

These are liquid waters, which are undoubtedly of great help to humans.

However, the seawater in the world's oceans is not fresh water. Although the salt content is lower than the seawater on the earth, it is definitely not suitable for drinking directly. However, this salt content makes people soak in the water.

The water is just right. If it is water with no salt at all, people's skin will absorb water if soaked in it for a long time, which will cause considerable trouble to people's physiological health. If it is seawater with a certain amount of salt, the salt content

If the amount is just right, you can soak it in water for a longer time without suffering physiological damage.

But no matter what, having access to this world's extremely large and almost endless water source reservoir is undoubtedly a huge help to this world.

The exploration team quickly returned and reported the news they discovered to the underground humans today. Although the distance is quite long, if the underground humans want to continue to develop in this direction, they can also expand their power.

This side has not developed in this direction before because the other underground humans living here are quite primitive types. Most of the underground humans accepted by today's human underground kingdom have already been born.

language and characters, and the language and characters between them are not very different.

This chapter is not finished yet, please click on the next page to continue reading the exciting content! Therefore, it is basically very easy for these beings to integrate. But if it is a completely new tribe, if it is one that does not even have language or writing, even if

It is to assimilate them. It is impossible to obtain labor force in a short time. In today's industrial age, even if these people enter the factory as an effort, the final result may be to cause chaos in the factory, making it impossible to continue the normal operation of the factory.

Keep running.

Taking into account these possibilities, these relatively primitive humans have never received fairy tales. At most, they will provide a certain level of supplies there during the expedition, and give some information about the civilized world to those who have not yet arrived in the cave.

Enlightened person.

Let them develop slowly first. After they learn the language and writing, they will be valuable labor sent to the factory. But now the underground humans realize that these people must be in their own hands, and the caves where these people live have also

It must be connected with the main structure. Because what they may face next is the biggest opportunity faced by mankind in this world, an ocean with almost endless water resources. Everyone can choose to immerse themselves in such a

Resting in the water, living in such water all the time. And a set of equipment related to survival in this kind of water environment must be manufactured as soon as possible.

After getting the new copy of the environment, the humans in this world quickly started to get busy. They not only made diving equipment and submarines with excellent sealing, but also began to try to make things that could allow people to swim underwater.

The presence of continuous breathing.

If you carry an oxygen bottle into the water, the time you can move underwater is too short. The oxygen bottle is actually very heavy and not very convenient to carry around. If you survive underwater for a long time, you will need additional

The power of the human body keeps people suspended, otherwise they are likely to fall into the deep water. Human beings in this world already have a certain understanding of the characteristics of water. If people cannot float up in a short time in deep water, they may fall into the deep water because of the water.

Pressure causes huge damage.

Moreover, the huge ice layer above actually adds extra pressure to the water to a certain extent. This is because the ice layer is not completely sealed and has various caves, which causes underwater pressure. It is not special.

exaggerate.

When the cave was first excavated, a large amount of water sprayed upward. That is, the underwater environment is relatively more high-pressure than the atmosphere, so that the water below sprayed up. However, the water sprayed upward was probably only upward.

It stopped at a distance of four or five meters. In other words, the surface of the ice water is roughly equivalent to the pressure of four or five meters underwater. For ordinary people, there is a certain pressure, but it is not completely

The kind that cannot conform to the shape.

For cave humans, this underwater area is a vast, Great Plains-like existence that allows humans to survive. Some extremely large industrial bases can be fully developed here. If we can overcome the problem of surviving underwater without oxygen,

In terms of problems, this place can even become extremely suitable for human survival. It is also suitable for the development of large-scale industry.

Nowadays, human beings are in the transition between the tribal system of manufacturing capital. The residual influence of the tribal system makes the tribes still implement a certain degree of communism, which blocks the development of capital to a certain extent, but it also realizes the centralized society.

The effect of using strength to accomplish great things.

This allows the decision-makers to make some bold decisions for the future. Even if these decisions are likely to affect the interests of everyone now, making an entire generation unable to see the possible benefits of relevant decisions, it is still possible to implement them firmly.

Go down.

Heading to the seaside is such a decision.

Teaching those uncivilized people in remote areas is very thankless, and it is likely that there will be no useful labor force within a generation. But in order to build a high-speed underground passage to the sea, establishing connections is necessary.

After establishing contact with a cave, relevant surveying and mapping personnel will measure the location of the cave and start digging underground tunnels.

After the birth of power machinery, the structure of the shield machine was thought up. It seems that it is too magical to create such a machine in this primitive era. But there is a kind of technology in this primitive era that is particularly advanced.

Yes, that is material technology. If you want to break through underground rocks, and dig tunnels in this extremely hard underground environment, materials science is one of the most important subjects.

Related equipment for digging underground tunnels was developed in this way. Although it is very crude and much smaller than a real shield machine, people in this world have still created something with similar principles.

Dig tunnels underground quickly.

In addition, a straighter and wider highway is also being built on the planet's surface.

Building a highway on the surface is also not an easy task. Several meters of snow on the surface need to be cleared and the snow must be cleared to a considerable distance to ensure that the foundation of the highway is strong enough.

Even though the cost of doing so was extremely high, the tribe members still chose to implement this plan. It was indeed possible to build a relatively spacious road through underground caves to the seaside.

However, due to the location of each underground cave, such a road is difficult to be straight and has to make many turns.

If you are a skilled old driver, you can still maintain a relatively high speed when driving on such a road. But if a large amount of goods are to be transported between two industrial centers in the future, then there must be a straight enough road.

, you can run a high-speed road on it to connect the two places.

This road connects not only the seaside, but also the underground cities along the way.

Many auxiliary roads will be built to connect to this highway. It is incredible that this large-scale infrastructure construction has become a reality after just breaking away from the remaining habits of primitive tribes.

Such a large project will take at least ten years to complete, and it may even take a generation to see the results. However, as it continues, the process of building the road has also led to the development of all underground cities around this road.

Really prosperous.

As underground roads are widened again and again, transportation is improved again and again, becoming more and more convenient, and even subways connecting different cities appear, the prosperity of underground people is increasing at an incredible speed.

Things like the subway were inevitably born after they developed power equipment such as the Stirling engine. Especially in underground environments, this equipment is more likely to work in temperature differences.

The underground train does not need to burn fuel at all to create a temperature difference. As long as it reaches a city, in this city, enough magma is loaded in the carriage, and the magma is gradually injected into the engine while moving forward, and allowed to slow down.

Cooling can create a large enough temperature difference with the outside world so that the car can always maintain power. Magma is almost the most common thing in caves and will not be exhausted at all.

[To be continued]

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