Great Power Technology.

Chapter 558 Cosmic Beacon
After leaving Chen Hao's house, Ye Zhou didn't go home, but went directly to his office. Now his mind is full of matters related to the broadcast, and he can't fall asleep at all.

For him, the information revealed in the simulator is actually very clear, and the logic chain is also very simple, but it is not so easy for human beings to start this logic chain.

How to send information into the universe and what information should be sent to the universe have always been questions that human society is constantly exploring, but in fact, no one can give a convincing answer to this question.

For now, if it is sent in the way of directional transmission, then human beings can easily pile up an equivalent power spectral density brighter than the entire Milky Way in a certain direction at a certain time, but when such directional transmission turns When it comes to "broadcasting", what humans can do is too elementary.

Just now, Ye Zhou and Chen Hao woke up an expert from the Chinese Academy of Sciences by phone. After confirmation, they found that the so-called "broadcasting" activities currently carried out by both Chouguo and Huaxia were actually based on The most basic electromagnetic wave equipment is just a radio telescope after the scale is enlarged.

This way of transmission certainly has a certain effect, but its radiant energy will be completely attenuated before reaching the edge of the Milky Way. Farther away, even if there is civilization, what they receive is just clutter.

Wanting to parse out information is like parsing out a person's whispers from the whistling wind thousands of kilometers away.

It is neither technically feasible nor practically achievable.

After learning about the situation, Ye Zhou hung up the phone in disappointment. The broadcast within the Milky Way seems to be good, but in this way, the probability of success of the plan is greatly reduced.

He frowned and searched the relevant technical documents on his work computer, trying to find an effective method, but based on his current theoretical foundation, even if he listed a lot of "possibilities", he still couldn't determine the real possibility. feasible solution.

Ye Zhou sighed, got up and left the chair, and lay down on the sofa. He wanted to take a nap, but before he could close his eyes, the door of the office was pushed open.

He sat up again in a jerk, and glanced at the door, only to realize that it was Lin Ling who came in.

"Why aren't you sleeping?"

Lin Ling asked in surprise.

"Why aren't you sleeping?"

Ye Zhou also answered her a question, and the latter smiled shyly and replied:

"I just finished the experiment. It's past three o'clock. Do you want to stay overnight?"

Since the first meeting, the two have been working together in their respective positions for nearly two years. From being unfamiliar at the beginning, to getting along with the subordinates later, and now, the two peers have finally gradually broken away from the original routine communication. way, the relationship is also closer.

"It didn't last all night. I just finished looking for Chen Hao and dealt with some things. I just came back and almost got some information."

Hearing this, Lin Ling said thoughtfully:

"Are there any new technological breakthroughs in dealing with things?"

Ye Zhou nodded and replied:
"Well, it's a bit of a breakthrough about large-scale fusion structures—wait a minute, let's not talk about this, I just have something to ask you."

"what's that?"

Lin Ling pulled the chair in front of the desk and sat down. When she passed the desk, she subconsciously glanced at Ye Zhou's computer screen, but she immediately realized that this action was inappropriate, so she quickly looked away.

Ye Zhou noticed her movement and said:
"It's okay, this is what I want you to see."

"My question is, if I want to broadcast to the whole universe and require the broadcast information to be clearly transmitted to every corner of the universe, what scheme should I use?"

Lin Ling was obviously interested in Ye Zhou's question, she cast a questioning look at Ye Zhou, and after getting an affirmative answer, she directly dragged the screen to the tea table in front of the two of them, and then jumped off the chair He sat next to Ye Zhou.

"Let me see that electromagnetic radiation must be ruled out first. The attenuation rate is too high, and it cannot go out of the Milky Way under the premise of large-scale broadcasting."

"Neutrino communication, this can only be used for directional propagation, too."

"Sonic communication is complete nonsense. No matter what the theory says, the vacuum is the dead end of sonic communication."

"Weak force communication is currently only at the purely theoretical stage, and its operability is not as good as quantum communication-but the problem is that quantum communication is also point-to-point, which cannot achieve the effect of broadcasting."

"We can't get that many quantum pairs, at least not right now."

"At present, the only relatively reliable one is gravitational wave broadcasting. However, gravitational wave theory is strongly related to string theory. If you want to think that gravitational waves can be produced, you must first discover cosmic strings."

"Also, the discovery of cosmic strings is only the first step. To construct vibrating strings that can generate enough energy, we need to use at least degenerate matter—this stuff can only be taken from neutron stars."

"Going one step further, if we can obtain degenerate matter, the scale of the vibrating strings that need to be constructed is also exaggerated-roughly calculated, I estimate that it is at the centimeter level, and the energy release must reach more than 5 kilograms per second. .”

"Well, if it can be achieved to this extent, space broadcasting is not difficult at all."

After hearing Lin Ling's words, Ye Zhou had a wry smile on his face.

If the degenerate matter on the neutron star can be obtained and even processed, how about broadcasting a hammer?
Humans can explode by themselves!

It seems that all roads are blocked.

He sighed and said:
"So in your opinion, all broadcast methods are actually unreliable?"

"It's not unreliable, is it? In fact, electromagnetic waves are the most reliable solution. Although the transmission distance is a bit shorter, it's better than nothing."

"Moreover, this shortness is relative to the scale of the universe. Isn't it enough to reach the entire Milky Way?"

"not enough."

Ye Zhou shook his head, and recounted the details of the backwashing plan. After listening, Lin Ling fell silent.

She has already understood the difficulty of this so-called "broadcasting plan".

If the information is not distorted, the transmission distance must be long enough-how is this possible?
Perhaps, setting up relay stations is a more feasible way, just like the cellular network deployed by humans on the ground.

But the premise of setting up the relay station is that human beings have the ability to fly to the edge of the galaxy.

This is yet another paradox.

After thinking for a long time, she sighed helplessly, and spread her hands to signal to Ye Zhou that she had nothing to do. Ye Zhou was not disappointed when he saw this. What he wanted from Lin Ling was not the final solution, but the idea. refer to.

Now, his purpose has obviously been achieved.

He patted Lin Ling's shoulder lightly, and was about to speak to comfort him, but the other party suddenly raised his head, and when Ye Zhou was still in a daze, he said in a surprised tone:
"Actually, we can use electromagnetic waves!"

Ye Zhou was taken aback for a moment, and asked back:
"Didn't you say that the propagation distance of electromagnetic waves is not far enough?"

Lin Ling nodded with confidence and replied:

"Yes, definitely not far enough."

"However, in ancient times, the optical signal transmission of the beacon tower was not far enough!"

"Ye Gong, haven't you discovered that electromagnetic waves are beacons on a cosmic scale?"

(End of this chapter)