On the other side, Bai Yang also came to Professor Callahan's office at this time.

When there was a knock on the door, Callahan, who was looking at the photo with nostalgia, quickly put away the photo. A group photo of a man and a woman can be seen vaguely in the photo.

"Come in!" He sorted out his expression and said.

"Professor Callahan, it's me!" Bai Yang greeted him as he entered the door.

"It's you, sit down." He stretched out his hand and motioned Bai Yang to sit across from him.

After Bai Yang sat down, Professor Callahan continued to ask, "It's so late, why don't you go back to rest?"

"Oh, I'm asking the professor if he has any relevant information." Bai Yang stated the purpose of his trip.

"So impatient... Let's talk about your understanding of space first." He sat on the office chair and leaned back in a gesture of listening.

"...Space is a form of material objective existence opposite to time, but the two are inseparable.

According to the Big Bang Theory, after the universe exploded from a singularity, the state of the universe was split from the initial "one", resulting in different forms of existence, motion states and other differences. The measurement of the positional difference between objects is called "" space", and the change in position is measured by "time". Space is represented by length, width, height, and size. Usually refers to the four directions (direction) up and down.

Space includes cosmic space, cyberspace, ideological space, digital space, physical space, etc., all of which belong to the category of space. In geography and astronomy, it refers to a part of the earth's surface, which is divided into absolute space and relative space. Space is made up of different lines, lines make up different shapes, and within the lines is space.

Space is a relative…………. " Bai Yang finished these words in a calm tone.

Callahan nodded, "It looks like you've done a pretty good job in the basics."

"Then, let's talk about some relationships between time and space." He continued to ask.

"Okay...I'll take Miller as an example. On Miller's planet, one hour is equal to seven years on Earth. If that's the case, in mythology, even if Cooper tried his best to get back, when he returned When he arrived on earth, his daughter Murphy was already very old, and this is the time asymmetry." Bai Yang took the time and space between Miller and the earth as an example.

Professor Callahan suddenly fell silent and said to himself, "...Yeah, why didn't I think of that!"

However, he still couldn't believe it in his heart, because after all, it was a conjecture, and none of it had been confirmed by experiments.

Afterwards, Callahan calmed down and looked at Bai Yang with complicated eyes.

"You study physical space!"

"Mathematical spaces are also studied."

…………

The two reconciled for a while, and it wasn't until Teddy knocked on the door that brought them back to reality.

After this conversation, Callahan's eyes were much brighter than before.

Before leaving, he said to Bai Yang, "Go back to rest first. I will give you the materials tomorrow. This is a difficult study, and it may cost you your whole life. Do you insist on studying?"

"I already have these realizations." Bai Yang nodded seriously.

"Well, you come to me tomorrow. For some reason, I can't continue my research. I will give you my previous information, and it will be up to you in the future." He got up and came to the door, then turned around and left. go out.

"No problem." Bai Yang also followed and left.

…………

Before the science and technology exhibition, Bai Yang asked Professor Callahan questions every day, and was completely immersed in his studies.

Today, he was looking at the information in his hand by himself.

At this time, someone next to him came over.

"Ent, didn't I bother you?" Teddy asked cautiously, seeming to have something to do.

"No, I was just looking at the materials, are you okay?" Bai Yang closed the materials,

asked suspiciously.

"Tomorrow is the science and technology exhibition, do you want to go and see it together?" He looked at Bai Yang, and it seemed that he hoped that he would go.

"Technology exhibition, shouldn't have anything to do with us... Oh, it's your brother." Bai Yang, who was talking, suddenly thought of something and pointed at him.

"I don't have an experiment tomorrow, so pull me along when that time comes."

"Great, we'll be there on time tomorrow. Let's cheer for Xiaohong together." He was obviously very happy when Bai Yang agreed.

"Then I won't disturb you, I'll go first. Bye." After that, he left the room, probably to invite others.

"Brain-computer interaction, micro-robots, is a good black technology!" Thinking of the technology developed by Xiaohong, Bai Yang felt a little more excited.

…………

The next day, Bai Yang followed the three of Shenxing Yu to the technology exhibition hall by car.

Teddy is at home and will be pulling his brother when the time comes.

And Fred also has something to do. He wants to follow his father and take the Huoli robot to the scene to sign a contract.

Crane, the boss of Crane Technology will also attend the exhibition.

Fred's father's business is obviously not about technology, but Crane Technology is a technology giant in San Francisco, and cooperation can be a win-win for both parties.

Today's technology exhibition is a good time.

Mustard Wujiang rode a tram, Bai Yang sat in the co-pilot, and the other two ladies sat in the back seat.

He drives very steadily and strictly follows traffic regulations at every step.

She prefers to be quick, and she sits in the back seat with her arms crossed and her face unhappy.

He wanted to take over the driving right from the beginning, but was firmly rejected by the other two. Looking at the faces of the two, it was obvious that they had experienced something.

…………

Soon, several people found a parking space and came to the door of the exhibition hall one after another, waiting for the arrival of others.

First came Teddy, who was on an electric bike with his brother, and then Fred, who was in a van with a boxcar.

Two people got out of the car, one big and one small. The one who looked similar to him should be Fred's father.

He pointed to Bai Yang and the others who were waiting, and then ran over alone.

"Hey, I kept you waiting." He walked up to the crowd and greeted him.

"This is you?" Teddy asked curiously, pointing to the van in the distance.

"I brought the fire chestnut, my father wants to cooperate with Crane Technology."

"Then I'm not trying to make a fortune!" Bai Yang joked.

"You can't imagine the amount of guaranteed money." Fred bumped his fists.

"The science and technology exhibition is about to start, let's go in quickly, today is Xiaohong's first show." Mustard Wujiang hugged Xiaohong's neck excitedly.

"Wuhu, let's go!"

Several people pushed the trash can and followed. Inside are miniature robots made by Xiaohong.

…………

Bai Yang followed the crowd to push the trash can and walked on the sidewalk. Look at the dazzling array of inventions around.

"Don't be nervous, Xiaohong." Teddy pushed the cart and said to Xiaohong next to him.

"Nervous? Are you talking to a robot competitor?" Xiaohong raised his head to cover up.

"He's still nervous!" Sister Shenxing Yu mercilessly exposed his cover up.

"Oh, don't be nervous, little one."

"I'm fine..."

"Your work is great, don't you think? Yujie."

"Promise yourself, talk less!" she said coldly.

"...I'm fine!" Xiaohong whimpered secretly.

Everyone stopped and waited.

I rolled my eyes and saw that Professor Callahan was also present, and he was specially invited.

In front of the science and technology exhibition hall, a special stage was set up, and everyone had to go up and show their works.

"Next member of the exhibition. Xiaohong. Please come on stage." A notice came from the exhibition.

"Oh, great, it's your turn."

"Come on, don't screw it up."

"Come on, let's take a group photo!" Honey Lemon was excited as always, and took a group photo for everyone.

"OK, I'll go first." As he was about to take the stage, he seemed a little nervous.

Xiaohong slightly shyly asked for a microphone, and came to the stage slowly.

Looking at the crowd below, for the first time facing so many people, he swallowed nervously.

Because the microphone was a little close, it made a harsh, sharp sound.

"Hello everyone, I'm Xiaohong... I've made some cool inventions that I think are cool. I hope you like it."

With that, he put on a headband and took out a miniature robot from his pocket.

"This is a micro-robot..." The robot drove for a while, and then there was no next move. seems nervous.

Below, Teddy encouraged him.

"Take a deep breath~" He put his hands on his chest and lifted them up.

Encouraged by Teddy, he took a deep breath, summoned his courage, and continued holding the micro-robot. UU reading www.uukanshu. com

"It looks very insignificant, but when it is with its partners..." Then, the micro-robots in the trash can swarmed out and passed through the stream of people.

Then came to the stage like an ant.

"...The next thing becomes interesting." After letting go, his tone also became more confident.

The growing scene draws the attention of others. Curiosity made them step over.

"These micro-robots are controlled by neurotransmission sensors..." As he said, he took off the controller he was wearing, and the micro-robots next to him were scattered all over the place.

Put it back on, and the micro-robot reassembles again.

"What do I want them to do..." The square transformed into a palm and greeted below. "What will they do!"

Crane, who was talking to Fred's father, was also drawn in.

Soon, the entire audience of the venue was attracted.

The rest of the time is Xiaohong's personal show.

Looking at Xiaohong's display, Bai Yang inexplicably thought of the whistle arrow of Yondu, the interstellar hunter in Marvel. The control methods of the two have the same purpose.

…………

When Xiaohong's exhibition ended, Kerry came to him with a smile on his face.

After Kerry expressed his intentions, Xiaohong was very excited for a while, but Professor Callahan suddenly appeared at this time.

Inside and outside the words, it is said that Kerry is a black-hearted businessman and does not respect scientific research technology.

Xiaohong is obviously still more convinced of Professor Callahan, so he rejected Kerry's conditions.

There was no way, Kerry, who was disturbed by the matter, could only leave with an ugly face.

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