Urban: I Got a Space-Time Mailbox and I Can Write to My Past Self

After Liu Lu teased Wenwen for a while, he let Li Susu go down with his daughter.

To go down means to return to the ground.

The command center in the stratosphere is connected to the ground by a nano-steel cable elevator.

Steel cable up to 12,000 meters.

It takes half an hour to take the elevator to get to the ground.

This is already the fastest speed.

If fast

I am afraid that when the speed is accelerated, the people inside will be in a state of weightlessness or overweight, causing unnecessary danger.

"Lin Xian, let's take a rail car together and take a look at the pipeline outside?"

Lin Xian shook his head:

"It's too late. Even at the speed of magnetic levitation, it takes more than 60 hours for a 43,000-kilometer-long pipeline to return. We don't have that much time."

However, Liu Lu still took Lin Xian to the outside:

"We don't have to sit for so long. Just sit for a while. From here, we will arrive at the station in the Marshall Islands. Where is Professor Ding Yi waiting for us."

"Hey, don't hide "Five 30"" You said, since the prototype of the track was built, I didn't know that I had taken hundreds of times in the rail car, but every time it was full of shock. Lin Xian, what we are doing now is a major thing that can change the future of mankind!"

Seeing Liu Lu's excitement, Lin Xian couldn't bear to dispel his enthusiasm.

"Well then, just sit with you for a while."

Today's Lin Xian, sitting on [Space-time Mailbox] and [Causal Weapons], in fact, has not so much curiosity for the question of "Why 42 is 42".

Unlike Liu Lu, he is not a rigorous academic school.

But the words were taken back. Lin Xian has always supported scientific research.

Science is the primary productive force at all times, and it must be at the forefront of thought.

The two left the main control room.

Get on the "sightseeing car" hung on the outside of the collider pipe, press the button directly, and set off at high speed!

The pipeline of the collider circulates around the equator at high altitude in the stratosphere, with a total length of 43,000 kilometers and a diameter of about 100 meters.

In fact, for a machine used for collision of "microscopic particles", a diameter of 100 meters is too big, and the space inside is enough for the plane to collide!

According to scientific calculations, in fact, the diameter of the collider’s pipeline is only 5 meters.

but…

Theory is theory, and reality is reality.

This long track is not laid on the ground, but "floating" at an altitude of 12,000 meters.

It needs to face the rotation force of the planet, the tidal force of the moon, the gravity of the pipeline itself, and the wind that has existed for many years in the stratosphere.

Under such harsh conditions, pipes with a diameter of only 5 meters are not even sufficient to support their own deformation.

Finally, after complicated calculations.

It is determined that the diameter is 100 meters, which is the most suitable size.

Hum

The orbital sightseeing car travels outside the collider's pipeline at a constant speed of 650 kilometers per hour.

The car travels completely automatically, so Lin Xian and Liu Lu don't have to worry about it at all.

Looking ahead from the car, the pipe stretches straight ahead, like a highway.

certainly.

In fact, both of them knew in their hearts that the collider pipe was a pure circle, but because its length was too long, it was the same as the surface. It is obviously curved, but it looks like a plane.

The sightseeing car is like a bullet that shoots chu at high speed.

Speeding on a pipe with no end in sight.

At this angle.

You can clearly see the large number of instruments installed on the pipe wall, as well as countless equidistant hoops.

When the car accelerated, they passed by on both sides and couldn't see clearly.

Liu Lu explained to Lin Xian that those hoops are superconducting coils used to generate strong magnetic fields.

"Don't look at this guy is quite thick, but most of them are supporting structures and observation equipment. The pipes that are really used to accelerate particles are also the thickness of the arms.

Liu Lu's blood pressure rose with excitement.

Speaking panting heavily.

Lin Xian hurriedly told him to sit down so that he could not breathe for a while.

"Don't be so excited, Liu Lu!

"Hey! Can I not be irritated? Let alone me, Professor Ding Yi got up from the hospital bed! It is a medical miracle!"

I heard Professor Ding Yi get up from the hospital bed

Lin Xian is dumbfounding.

Hey …

How do you say this group of scientists engaged in research?

In the past 10 years, Professor Ding Yi has become ill from overwork, coupled with aging, the body is gradually entering the twilight.

He once told Liu Lu and Lin Xian that the reason why he was still holding this last breath was to witness the experimental results of the [Circumequal Particle Collider]!

"This is my lifelong dream. Lin Xian, Liu Lu, scientists who have lived for hundreds of years, must thank you for your great achievements!"

"Don't worry about me coughing cough, even if I use a cardiopulmonary ventilator to continue my life! I have to live until August 16th!"

Lin Xian has always respected these people who are engaged in research.

actually …

With Ding Yi's body, it must not be able to last this day.

Ding Yi has made an indelible contribution to the country of Zu in the field of science and made an indelible contribution.

so

Lin Xian used the [Causality Weapon] to help him quietly.

This is also the reason why Professor Ding Yi can get up from the hospital bed. Instead of letting the heart-lung ventilator continue his life, it is better to let himself continue for a few more months.

"Professor Ding Yi is lying on the hospital bed anyway. It's not bad for a few months or a few months."

..............***

The maglev train is fast, but the noise is very small.

Because it does not directly touch the track.

The only power is the thin air at high altitude.

"Lin Xian, you see, we have already sailed out of the land of Nicaea, looking at the earth from this angle and height, you will never tire of it."

"Tell me about you. I kindly invited you so many times to take a rail car with me to [Global Travel], and you all refused...0"

Lin Xian laughed loudly:

"Please, squat in the trolley and look down. What kind of world travel is it?"

"If you want to really travel around the world, it's not that I can't accompany you in the literal sense of [Global Travel]. I think it's better to forget it."

"Don't say that Li Susu can't understand the romance of your science student, I can't understand it at all! You ride the sightseeing bus for 60 hours, you might as well just kill me."

Speaking of which.

Lin Xian suddenly remembered an important question:

"Liu Lu, we take a sightseeing bus and it takes 60 hours to circle the collider pipe."

"Then what is the speed of the microscopic particles used for the collision tomorrow? How long will it take to complete this lap in the collider?"

Speaking of this.

Old Liu Lu is happy!

He likes to talk about this, but Lin Xian rarely gives him the opportunity to talk about this topic.

He speeds up unconsciously:

"Tomorrow, in the official laboratory, before colliding two microscopic particles, the magnetic field of the superconducting coil must be used to accelerate the particles."

"Every example running in it will be driven by the energy equivalent of a nuclear weapon Q!"

"They will be accelerated to close to the speed of light! So those particles that are far invisible to the naked eye, it only takes about 0.1 seconds to complete this [Global Travel]."

Barabara

After torturing Lin Xian's ears for nearly an hour.

The orbital sightseeing car finally stopped.

The two got out of the car, came to the transit station above the Marshall Islands, and then took the cable elevator, and finally returned to the ground.

"Huh...

After taking off the oxygen suit, Lin Xian was relaxed.

The person who greeted the two at the base was Professor Ding Yi in a wheelchair.

Professor Ding Yi is too old

Now he is skinny, old and 1.1 dragon bells.

Time is not forgiving.

See Lin Xian and Liu Lu coming.

Professor Ding Yi had to stand up with a walking stick and smiled:

"How? How does it feel to ride a railcar on it?"

"Awesome!"

"Okay "

Liu Lu and Lin Xian replied in different voices.

Because of Professor Ding Yi's physical considerations, Liu Lu helped him back into the wheelchair and sat:

"Lin Xian doesn't understand our pursuit, Professor Ding, it's a pity! If it's not because your body doesn't allow it, you can also go to the high altitude to experience a sightseeing car and get close to the track of the particle collider."

Ding Yi smiled heartily after hearing this:

"Hahahahaha, what a pity! Compared to great physicists like Newton and Einstein, I'm so lucky!"

"At least I lived to the day when I could witness the truth of the universe, didn't I?"

Talk about it.

Professor Ding Yi raised his head full of emotion and looked at the black track that divides the sky in two with full of hope.

"Chao Xi Dao, death is enough!".

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