After coming to the space R&D center, Liu Long went directly to Liu Neng's laboratory.

"Young master, why do you have time to come. ”

"Well, come over and have some things, you go and call Liu Luo, Liu Sheng, and Liu Ji. Liu Long, who was sitting on the sofa in the rest area, said to Liu Neng.

"Okay young master. ”

After a while, several bigwigs from the Space R&D Center came to Liu Long.

"Sit down, there's something you need to do together this time. ”

"Please command, young master. Several people replied in unison.

Liu Long told a few of them about the problems encountered in space science and technology today.

"What does the young master need us to do, if we say that we are in the front, we may not be as good as robots, but in the field of research, it can be said that we are definitely the top in the world. ”

"There is no doubt about your achievements in various fields, and the main reason for calling you over this time is that I am preparing to develop an all-round stealth aircraft. ”

Yes, the reason why Liu Long came to the space R&D center so late was because he was ready to wrestle with Freemasonry, although Liu Long didn't know where to touch the interests of Freemasonry now, but he knew that he would touch more interests of Freemasonry in the future, with Freemasonry's current practice, there would definitely be a battle between space technology and Freemasonry.

Although Liu Long has a unique extraterrestrial technology black technology space in the world, but after so many years of operation, Freemasonry has long been deeply rooted, if Liu Long does not make some preparations, it is really not certain who will die at that time, you must know that Freemasonry is a huge organization that can affect the direction of a country.

"Young Master, since this is the case, then it would be good to directly send a robot force to level them. After listening to Liu Long's narration, Liu Ji said.

It is said that science men are all straight men of steel, and they never beat around the bush when doing things, is it the same for science and engineering men in alien civilizations, although Liu Long is a little confused, but there is no one to tell him the answer.

"If, as you said, send out the robot troops and destroy all of them humanitarianly, have you considered the consequences? ”

"Of course, according to the law of conservation of energy in this world, after these people die, they do not disappear completely, but are only transformed into other energies, and have no effect on this world. ”

Well, Liu Long admits that he is a show and can't explain why he met Bing, facing a straight man of steel in science and engineering, you discuss the impact with him, it is indeed Liu Long's brain show funny.

"Well, although what you said makes sense, but this world has the laws of this world, and if we dispatch intelligent robot troops, then it is likely to cause a world war. ”

"Isn't this a world where the strong are respected, and even if it is a world war, with your ability, young master, it is not a matter of minutes to destroy them. ”

"Liu Ji, for such a long time, haven't you learned the history of the development of this world. ”

"No, I learn what to do, there are only machines in my world, and nothing else is something I need to worry about. ”

Hearing Liu Ji's words, Liu Long suddenly felt that Sparta, no matter from what point of view, he couldn't understand the world of a steel science and engineering man.

"Liu Ji, in this world, the young master is not invincible, there is a weapon called nuclear weapons in this world, which can leave the young master with no scum in minutes. At this time, Liu Luo next to him spoke.

"No, we have a robot army. Liu Ji was a little incredulous when he heard Liu Luo's words.

"Robot troops are not omnipotent, and many weapons will cause traumatic damage to robots. Liu Luo explained.

"Didn't you say that this world is very backward, at least a few thousand years behind our original world, in this case, we are already an epic existence in this world. Liu Ji said with some doubts.

Hearing the conversation between the two, Liu Long understood that the root of all this was originally in Liu Luo.

It turned out that after Liu Ji was activated at that time, Liu Luo helped him understand the world, but Liu Ji only learned the knowledge related to machinery, and for other things, Liu Ji didn't understand it at all, and his cognition of this world was still learned from Liu Luo's mouth.

Then again, Liu Ji may be regarded as a rather weird expert, and the other experts who have unlocked have not been crazy about their respective majors to the point of Liu Ji, so it can be said that Liu Ji is soaked in the research center 24 hours a day.

"Okay, put this question aside, Liu Ji will take a serious look at the world in a while, let's talk about stealth aircraft. ”

"I'm going to build an all-band stealth and light-vision stealth vehicle, can we build it with our existing technology? ”

"Young master, if it is full-band stealth, it is nothing more than absorbing the signals of radar, infrared and other bands, so that it cannot form a loop, this should be no problem with our existing technology, but it may be a little difficult to see stealth. After listening to Liu Long's words, Liu Luo said.

"Young master, light stealth may not be as difficult as imagined, some time ago I did an experiment, put a glass ball into clear water, and then the glass ball is perfectly invisible, which shows that as long as the frequency of the object is the same as the frequency of the medium, then it is completely possible to achieve light and vision stealth. Liu Sheng said.

"However, the ship is not transparent and cannot be perfectly invisible in the air. ”

Then Liu Sheng said again.

"As we all know, it is a series of electromagnetic waves that can be seen by the human eye, also known as the visible spectrum. In the scientific definition, light refers to all the electromagnetic spectrum. Light is composed of photons as elementary particles, which have particle and wave properties, which is called wave-particle duality.

Light can travel in transparent substances such as vacuum, air, water, etc. There is no clear limit for the range of visible light, and the wavelength of light that the average human eye can accept is 380~760

m.

The light that people see comes from luminescent matter in the universe or with the help of devices that produce light, including incandescent light bulbs, fluorescent tubes, lasers, fireflies, etc.

And the reason why vision can see objects is because of the existence of light, light travels in a straight line, and when it encounters an obstacle from an object, refraction or reflection occurs, and it is precisely because of reflection that we can see objects.

If there is a material applied to the surface of an object that can "go around" the light waves that are blocked by the object, then the light will not appear to be blocked in any way. To the observer, the object appears to be "non-existent", thus achieving visual invisibility. ”

Liu Sheng gushed about his views on light and invisibility.