Chapter 26 The Eve
That night, Bai Yang lay in bed, unable to sleep.
He has been unable to sleep at night these days.
Today is September 29th, and tomorrow is the last working day before the National Day holiday. The holiday will start the day after tomorrow. Although they are senior high school students, the Education Bureau has given them the full seven days of vacation and has strictly prohibited make-up classes.
There is no moon tonight, and the sky has not cleared up after the rain. The air conditioner hanging outside the wall is buzzing. The indoor temperature is set to 25 degrees Celsius. Although it is not hot, it is stuffy. It may be because the doors and windows have been closed for too long and the carbon dioxide concentration has increased. Bai Yang took a deep breath and raised his hand to his forehead.
He was wearing a white short-sleeved T-shirt and large black shorts. He bent one leg and slumped over the bed, motionless, but his mind was running wild.
When the tritium tubes arrive tomorrow, he can start making time markers, then put them into a time capsule and bury it in the lawn next to the community square.
Where should it be buried?
Bai Yang outlined the floor plan of the Meihua Villa community square in front of my eyes.
That square is huge.
If you bury a time capsule, which is only 20 centimeters long, somewhere random, you'd have to plow the ground with a tiller to find it.
It would be easy if she had a metal detector - the mine detector used by Japanese engineers to deal with landmines in the war movie Mine Warfare. It sweeps the ground like a lawn mower, and makes a beeping sound when it finds a landmine. It works based on simple electromagnetic induction. As long as the girl holds the metal detector in her hand and sweeps around the lawn, she can find the time capsule she buried.
Of course, it is also possible to dig up unexploded mortar shells.
So there needs to be a marker.
Buried behind a bench?
Or buried under a tree?
Bai Yang pondered, there is no doubt that the marker is important, but he can't bury the time capsule in a place that is too conspicuous and easy to be discovered. After all, the thing has to be safely hidden for twenty years.
If you hide it in a place that is too easy to be found, you never know when some Cheng Yaojin will show up and snatch it away in the future.
Bai Yang couldn't imagine how chaotic the world would become if human civilization was destroyed in a catastrophe.
He decided to go back to the site tomorrow to check out a few alternative locations. These locations must meet the following conditions:
First, concealment.
It could remain undiscovered for twenty years.
Second, safety.
It cannot be lost or destroyed in a disaster.
Third, make sure the other party can be found.
Therefore, there must be accurate coordinates so that even if twenty years have passed, the other party can find the burial location based on the coordinates.
Once I had buried the time capsule, I told BG4MSR the location and asked her to dig it out.
Bai Yang let out a long sigh.
This is really interesting.
Can the electromagnetic waves radiated by radio stations really travel through time? The 14.255 MHz shortwave radio station ICOM725 emits - light is also an electromagnetic wave, can light travel through time?
Light may have the ability to transcend time. On any starry night, open your eyes and look up at the sky, and you will find that the entire starry sky is very old.
To you, they are the past, to them, you are the future.
But can you talk to them in real time?
Can the future and the past communicate in real time?
The physics teacher hammered the board in the coffin: Impossible! The speed of information transmission cannot exceed the speed of light!
Bai Yang turned over on the coffin of his physics teacher, turned sideways and looked at the old black Icom725 on the bookshelf. Others always said it was a radio, but in fact its structure was not much more complicated than that of a radio - the core of the radio station was just a set of simple LC oscillation circuits, and the basic structure of the LC oscillation circuit was just an inductor and a capacitor. You can buy an inductor on Taobao for two yuan, and a large capacitor for two yuan. When these two things are connected in series, they can generate a high-frequency oscillating current. Radio stations like 725 that use quartz crystal oscillators are even easier. The crystal can vibrate when it is powered on, just like He Leqin who stepped on the ignition switch, except that He Leqin vibrates a few times a second, while the crystal oscillator vibrates millions of times a second. The high-frequency oscillation signal generated is then transmitted through the power amplifier and antenna. This is the principle of the radio transmitter... With such a simple structure, it is better to say that a spaceship can be built with wooden boards and nails than to say that it can travel through time.
There are many things in this world that seem mysterious, but once you peel off their shells, you will find that they are just makeshift groups.
Bai Yang turned over again, lying on his back and looking at the ceiling.
The light in the room was very dim. The white ceiling of the bedroom could no longer reflect enough light into Bai Yang's eyes, so to Bai Yang it was not white, but it was not black either. It was like the scene you see after closing your eyes. It was hard to say what color it was. It was fuzzy and dim, as if it was flickering with the noise of an old black-and-white TV.
Bai Yang took out his cell phone from under the pillow and turned on the flashlight towards the ceiling.
The bedroom suddenly lit up, with a huge white spot of light on the ceiling. The path of the light was clearly traceable. Bai Yang thought of the propagation path of electromagnetic waves from radio stations. Radio waves radiated from the antenna of the radio station, touched the ionosphere dozens of kilometers upwards, and were reflected down - just like the flashlight in Bai Yang's hand at this moment, the light was emitted from the LED, touched the roof upwards, and was reflected into a pair of open eyes -
The girl blinked.
Banxia lay on her back on the bed, staring blankly at the white light spot on the ceiling.
She shook the small desk lamp in her hand, and the light spots on the ceiling also shook. To be honest, this game was quite boring. She was not a cat and had no interest in the shaking light spots.
But she had nothing else to do.
I can't sleep at night.
Banxia turned over and lay on the bed. She was wearing a white vest on her upper body and black pajamas on her lower body. She hugged the pillow and buried her face in it. Then she raised her legs and slapped the bed board again and again, very hard, making a "bang bang" sound.
After filming for a few minutes, she stopped moving again, lying straight on the bed with her face buried in the pillow, like a corpse.
So annoying.
Tomorrow - or at the latest the day after tomorrow, BG4MXH will tell me where to dig for treasure.
Can this plan really succeed?
So annoying, so annoying, so annoying, so annoying.
If you fail, I will kill him!
snort!
Banxia raised her hand and drew a line in the air.
No, he is the only one who knows me. If this one is gone, where can I find the next one?
Then Banxia stretched out her hands and put her head back into the air.
It was indeed her menstrual period. She wasn't usually so anxious. Banxia raised her face, sighed deeply, spat out the hair in her mouth, then turned over and lay on her back on the bed, holding the desk lamp in her hand.
She flicked the switch of the desk lamp in her hand rhythmically, making the light flicker.
The teacher taught Banxia how to send CW constant amplitude messages, which is Morse code, but Banxia was not very proficient in using it because it was rarely used.
Long long short, ticking.
"G."
Banxia muttered to herself in her heart.
Long, long, tap, tap.
O.
Long, long, tap, tap.
O.
Long and short, tap, tap.
D.
"The next thing is..."
Short long short, short long, long short long, long short long.
LUCK.
“Good luck.”
Short short, short long, short long long, short long long, long short long.
"HAPPY."
Banxia used her fingers to draw two short arcs in the darkness, and then drew a long arc to form a small smiling face.
(End of this chapter)
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