Two Roads
Chapter 302:Two Roads
Just when everyone was silent, a scientist flashed and seemed to think of something that was impossible, and he exclaimed urgently:
“The Green Light!”The technology of the drone completely surpasses us, but there is still no controlled nuclear fusion device inside, only a fission engine!”
“They are true interstellar civilizations, but they cannot implement fusion technology in small ships with a diameter of two meters.”
“Two meters in diameter ... is not small, but it is impossible to put down a fusion device.”
“This may also mean that... small controlled nuclear fusion is difficult!”
“The smaller, the harder it is!”
“Yes, it must be so!”Another scientist excitedly took over the topic: “Green light civilization cannot be without fusion technology, but it cannot miniaturize nuclear fusion technology.”
“As the great sages of the Knicks civilization say, small devices like Tokamak... are really super-difficult, and it’s probably a crooked path!”
In fact, the "Tokamak" device is actually not small, there are several floors so high, just do one also tens of billions, the result has become a small toy in people's mouth.
But for nuclear fusion, it is really just a small toy, at most can only ignite plasma, want to stabilize power generation, no doubt the night.
Small machines, too clever, are certainly more difficult for humans.
This kind of difficult thing, big is definitely more simple than small, of course, more expensive.
"In fact, it doesn't matter, the new human civilization has already used the power of the people to complete it, "money" what is it?One of the experts in electromagnetism joked.
The key is... whether it can succeed, whether there is a chance of success, funds, resources, human beings do not care.
“The first human computer, covering an area of 170 square meters and weighing 30 tons, was a behemoth.But if the scientists at the time were forced to condense all the equipment into a modern small personal computer, they would certainly not be able to do it...”
"Even if it takes a hundred or two years, it is impossible to go directly to heaven."So, the bigger the device, the better.Isn’t it hard to make a small machine directly?”Professor Ding Yidong grumbled.
There is a strange atmosphere in the conference room, and people think that this is a bit strange, but it seems to make a little sense...
The budget problem does not matter, as long as it can be successful, even if it is a bottomless pit, the new human civilization must also fill it!
Based on the information left over from the Knicks civilization, a group of great scientists began to discuss how to solve this huge problem and how to improve the success rate of realization.
The more you think about the “Great Filter,” the more you think it’s scary.Not just on the social side, but also on the technical side.
The theory of nuclear fusion is too simple, and it brings too much thinking.
The Knicks civilization also fell into the trap of "magnetic constraints", and they subconsciously believed that they could control the starry-star behemoth of "nuclear fusion" with current technical means.
But in reality, it can't be... or, extremely difficult by current means!
In the discussion with experts, Yi Feng understood several big problems that are almost incomprehensible in terms of current technology.
The first big problem: the "magnetic field strength" of human-made is not enough.
From the formula point of view, as long as the incoming current is infinite, or the coil density is infinite, the magnetic induction strength can be reached.
However, in practical applications, due to the mechanism by which the magnetic medium inside the electromagnet generates the magnetic field, the magnetic field generated by the internal molecular current is oriented in the same direction, so there is a problem of magnetic saturation.
Therefore, when the external current and coil density reaches a certain large hour, the magnetic field will not increase further.
Hundreds of Teslas are the limits of the current laboratory, and the strength of the magnetic field is far from enough.
Without a large enough magnetic field, it is difficult to limit the violent plasma during fusion, which is easy to cause damage to the instrument.
This is the first big problem, and it is almost unsolmise.Because its nature involves the movement of electrons inside the atom.Humans can only bypass the "magnetic saturation problem" by superimposing multiple magnetic rings, but in this way, it increases the difficulty of plasma control.
The second major problem is the problem of neutron radiation.
Each deuterium-tritium fusion will produce a 14mev energy of neutrons, these high-energy neutrons can easily break the metal bonds in the first wall of the material, resulting in a large number of defects, causing irradiation swelling, brittleness, and bodybiosis, making the material completely impossible to use.
In the end, the Knicks civilization did not find a very suitable material for long-term resistance to neutrons.
They can only constantly replace the broken materials to solve the problem, resulting in a lot of economic losses, most of the money is burned.
These two involve atoms themselves, which are almost unsolved big problems.
Of course, there are other kinds of small, piecemeal problems...
“Can’t we have superalloy materials?”
Yu Yifeng understood these two key points and asked, “These are alien material variants, can’t stop neutron radiation?”
“No!”One of the materialists shook his head flatly: "Superalloy and no matter how cattle, is also an ordinary material, composed of ordinary elements."Ordinary materials have their limitations, even if real alien materials can't!"
“They can’t eat neutron radiation.Even if it lasts a little longer, it’s just a few hours or a few days.”
"... really to achieve power generation, but to be counted year by year!"You can’t get a power outage in a few days, right?”
Yu Feng nodded his head in frustration.
Well, these questions are really troublesome.Unless there is a big breakthrough in some theory...
But where does the breakthrough come from?Humans are still eating the old books of quantum mechanics and relativity!
“What is not ordinary material?Noah's shell?Or the Noah floor?Does that purple metal-like substance eat the neutron radiation?”
“Er...” The professor rolled his eyes, which he had not thought of.
After half a day, he replied, “Maybe, but it hasn’t been tested... can we take down some floors to resist neutron radiation?”
The floor inside Noah is not as hard as the outer shell of the spacecraft, and it can still be destroyed, such as a supernova explosion, which makes it a lot of hollow.
However, even if it can withstand part of the neutron radiation, the problem is only solved, and most of it is not solved.
There are now two paths to choose from: the first, following the path of the Knicks civilization, to continue to study magnetic constraints, while fully developing other basic technologies and eliminating various shortcomings.I don’t know how long this road will take.
The second ...
“We are ready to give up the idea of magnetic constraints, or even the idea of controllable thought!”
Professor Ding Yidong took the lead in handing out a report.When he said this, he looked red and had a sense of eager madness.
Yu Feng suddenly scalp tinged, thinking of strange things, in the lunar base handed out the "billion tons of helium-3 bomb promotion program", he is also this expression...
Sure enough, Professor Ding Yidong shouted at the next moment: "Controlled and uncontrollable itself is a word game, what is controllable?"What is uncontrollable?There is no clear definition!”
Is the hydrogen bomb controllable?“The hydrogen bomb is something that can be controlled when it is used in war!”
“Why do we cling to things like Tokamak?Even if it can really generate electricity, I don't know how much electricity I can generate.It makes no sense to cling to controlled nuclear fusion, and we can use ... not fully controlled nuclear fusion as a driving force!”
“We’re going to blow up the electricity with a hydrogen bomb!”
When they spoke, the people behind them were making a noise.
“Hydrom bomb explosion to generate electricity?”How to send?”Ethan was startled and asked unconsciously.
Professor Ding Yidong continued to say out loud: "We only need to make a large enough and hard container to completely eat the equivalent of the hydrogen bomb explosion."
"The nuclear bomb explodes in the metal container, and as long as the metal container is large enough and hard enough, we can eat this part of the explosive energy directly ... of course, not only hydrogen bombs, but other nuclear bombs!"
This sentence is like Hong Zhong Ding, in Yi Feng's mind "whispering" knocked up.He felt the whole head thrompous, and did not hear anything growling behind Ding.
Looking at the big scientist standing behind it, there seems to be no objection.
They had already consulted beforehand, and even the most staid scholars thought that the scheme seemed more secure than the right to a tokamak.
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