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At the end of the world, according to Chengying’s calculations, it has bypassed most of the planet. Because of the punching ability of the storage soul guide, it can make almost perfect gears and clockwork, so that the accuracy of the marine clock can finally be used Measure the longitude.

They are now not far from the east coast of Douluo Continent. By then, they can return to Doujiang along the coastline by heading south, bypassing the Xingluo Empire, and completing their first round-the-world voyage.

It stands to reason that there should still be a continent. This was mentioned in the third part of Douluo, but it was not encountered on the route of Chengying, perhaps because it was in the southern hemisphere.

But from the description in the original book, I can’t see this. This is normal. After all, the vast majority of people go to the Southern Hemisphere without a problem!Anyway, Chengying didn’t look at any one where the sun rose from the east to the west, but it was not in the south at noon...

The End of the World is improving along the way as it travels. The combination of soul guidance technology and mechanical technology makes Chengying always in a state of technological explosion.

After returning to the mainland, the perfect sealing reaction tank can be processed with the perfect processing precision of the stamping of the storage soul guide. Theoretically, the front technology of synthetic ammonia is an anti-high pressure sealing device that can be used to build submarines.

This is an extremely important subject in the chemical industry. If you cannot find a way to convert the nitrogen in the air into ammonia or nitrate, the acquisition of nitrogen will always be a big problem. At least the nitrogen fertilizer in agriculture cannot be produced. His saltpeter can only rely on the toilet scraping, even if all the toilets on the Douluo Continent are scraped, it will not last long enough!

Even if he uses high explosives now, neither nitroglycerin nor trinitrotoluene can be separated from nitrogen. Relying on plants to fix nitrogen, it would be a idiot to make the chemical industry develop.

In addition to synthetic ammonia, alkali production, sulfuric acid production, and a series of chemical industries, Chengying is also planning to set up several fractionation towers. Before refining kerosene from petroleum, it was really a trifle. Industrial blood is always refined from here.

The internal combustion engine is no longer a problem. The basic structure of this thing is available in the junior high school physics book. It is much more detailed than the structure diagram of a steam engine. Let alone a normal four-stroke cylinder engine, even a rotary engine can be designed by Chengying.

As long as industrial blood can be supplied, gasoline and diesel engines can be launched immediately. History has proven that steam engines will be eliminated sooner or later. Although steampunk is romantic, it will not adapt to the times and will be abandoned by the times.

The current steam engine and even steam locomotives, steam spinning wheels, and even steam engineering machinery are just excessive products before the petrochemical technology matures.

If you want to use steam power in the future, you have to wait for the time when the nuclear reactor comes out. The saying is true. Humanity develops and develops, and ultimately it will boil water.

During the time when he was about to return to the mainland, Chengying also lit up some technology trees that had no bottleneck at all, so that this return could be even more shocking.

The so-called technology tree with no bottleneck is actually electric energy. In fact, even in primitive times, it is possible to build a stack or a hand-cranked generator. There is no bottleneck in electric power. It is just historically. The application of this energy happened to be discovered relatively late.

Now that conditions are available, although it is temporarily impossible to popularize electricity to the mainland, mainly because there is not so much copper on hand, it is more than enough to supply the world's top power supply.

The generator is actually not that difficult. It is nothing more than the wire cutting the magnetic induction line. It is easy to make an AC generator by winding it with a coil. It can easily power the whole ship with the help of a steam engine.

With electricity, it is natural to use electrical appliances. Naturally, the first thing that comes to mind is the electric light. It is too much to talk about mobile phones!

As we all know, the most suitable material for incandescent lamps is metal tungsten. This kind of ore is not particularly small, but because I don't know how to smelt it, no one has ever extracted this metal before Chengying.

In fact, it is not too difficult to really want to refine. If you encounter metal oxides that you can't handle, you can get hydrogen. If you can't handle hydrogen, it is basically difficult to exist in nature.

Because the elemental metal that hydrogen can't handle will basically react with water, such as sodium metal, and there is water everywhere on the planet...

In short, the difficulty of electric lights is not great. Glass seems expensive in this era, but for those who have mastered the technology, it is just a kind of daily necessities that can be mass-produced, and it will not be distressed to break a half-person tall piece. .

As a result, the world’s top station quickly became brightly lit. Compared to dim candlelight or oil lamps, incandescent lamps were undoubtedly brighter. Cheng Ying was like a nouveau riche, filling the ship with light bulbs. At night it is as bright as daytime, it is simply light pollution moving on the sea.

At the end of the day, many sea spirit beasts were attracted to rush up to give everyone a meal. Many spirit beasts are phototaxis. This is not the case. When the light is turned on at night, even the bait is saved.

Although Chengying’s arrangement is extremely vulgar, it has to be said that light is indeed a symbol of civilization, just like the earth of Chengying’s previous life. At night, when you look at it from space, the more prosperous the place, the brighter the light. bright.

And this moving light pollution is indeed extremely shocking, and even the crew themselves can't help but give birth to an inexplicable sense of pride, because nothing can be brighter than them at night.

In fact, turning on the lights so bright at night is very unscientific. On the one hand, it will affect the lighthouses that observe the coast, and on the other hand, it will increase the possibility of getting lost at night.

Fortunately, Chengying provides mental power scans. You don't need to worry about the danger of hitting the rocks. You only need to move in the direction of the target as much as possible.

Cheng Ying leaned on the backrest of the driver's cab, looking at the indefinite light because of the unstable voltage, her eyes were full of nostalgia.

Why is he obsessed with climbing the tree of science and technology, obsessing with building a civilization different from this era?Except for self-preservation, why not remember the previous life?

If you really can't go back, then find ways to make this place more like your hometown.

Chengying couldn't do the same as the many traverser predecessors. When he arrived in another world, he would completely forget his previous life. His whole mind was only to improve his strength. Perhaps this is the softness hidden deep in his character!But who knows how can he be decisive when this sustenance is violated?

The distant coastline gradually came to an end, and the familiar continent was in sight...

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