In the dark universe, stars are dotted like twinkling diamonds.

A spacecraft sails in it, leaving a white light behind it, like a tail.

In the spaceship, Li Xu was practicing hard, and the air in the entire cultivation room was dark red due to the squeeze of gravity, giving people a depressing feeling.

“998、999、1000!”

Li Xu supported himself on the ground with one finger, doing push-ups, beads of sweat dripping down his cheeks, and a lot of sweat accumulated on the ground.

After doing a thousand push-ups, Li Xu stopped his cultivation, turned off gravity, took out a fairy bean and took it down, and his physical strength instantly recovered.

Walking out of the cultivation room, Bulma was sitting there resting, obviously feeling a little bored.

“Li Xu, is today’s cultivation over?” When Bulma saw Li Xu come out, a happy look appeared on her face.

“Hmm.” Li Xu nodded a little apologetically, the matter of cultivation could not be put down, and he could only compensate Bulma more in the future.

“Li Xu, in the near future, our spacecraft will pass through the planet Fidar, planet Fidar is a planet with a cosmic civilization, let’s go up there and take a look?” Bulma looked at Li Xu with expectant eyes.

“Well, let’s go to Planet Fidar for a few days.” Li Xu said with a smile.

At this time, it has been a month since they left Earth, and Bulma has also been bored in the spaceship for a month, it is estimated that it is stuffy, so he should give himself a few days off and accompany Bulma to go out.

“Great!” Bulma almost jumped with joy.

Looking at the happy smile on Bulma’s face, Li Xu’s guilt in his heart was even worse, and he walked over and held Bulma in his arms and said, “Bulma, I’m sorry.” ”

“It’s okay.” Bulma said very understandingly, knowing Li Xu’s feelings for her.

…………

The next day, Li Xu and Bulma’s spacecraft landed at the spaceport of the planet Fidar.

“This planet Fidar is really lively.” Li Xu said with a smile that Planet Fidar is like a space station in the universe, and all kinds of people have it.

“The technology of the planet Fidar is much more advanced than that of our planet.” Bulma said.

“Let’s go get a map of Planet Fidar first, and then have a few days of fun on Planet Fidar.” Li Xu said with a smile that the planet Fidar is full of high-tech atmosphere, and it is indeed much more developed than the earth.

“Hmm.”

The two spent hours circling the planet Fidar, figuring out some basic information.

“The currency here is blue gold stone, we don’t have this thing, we can only sell some things to them and exchange some blue gold stone.” Li Xu said.

There is no universal currency in the universe, and transactions between different planets use an energy stone, called blue gold stone, which is mainly used to provide energy for various machines.

“Our earth also has this blue gold stone, but we don’t call it blue gold stone, but sky gold stone, and the technology on the earth has no way to use the energy inside.” Bulma said.

Listening to Bulma’s words, Li Xu suddenly remembered that this blue gold stone seemed to have been mentioned in the Dragon Ball Super manga, but it was only a passing mention and did not play any role, so that everyone had no impression of it.

“Let’s sell them some things that we can’t use for the time being, and then buy some of the things we need.” Li Xu said.

“Hmm.” Bulma nodded.

In fact, there is also a very advanced technology on the earth, that is, universal capsules, if they are sold, they can definitely be sold at a good price.

Li Xu and Bulma came to the exchange, sold some things that were not used temporarily, and got a thousand blue gold stones.

Immediately afterwards, the two played on the planet Fidar, and came to the alien planet for the first time, both of them were very interested and very interested in everything new.

In the blink of an eye, three days passed.

“Bulma, there’s a tech book store here, let’s go buy some books so you won’t be so bored in the ship later.” Li Xu said, stopping in front of a store.

“Hmm.” Bulma glanced at Li Xu gratefully, and the two walked into the store.

“Welcome!”

As soon as the two walked in, a person greeted them, a young girl with pointed ears and a tail behind her, like a cat.

“Give us some books on gravity technology.” Bulma said.

“Okay.”

The cat girl immediately brought a pile of books on gravity technology from the shelf.

Bulma looked through it roughly, took out some of the books she had fully understood, and said, “Wrap up the rest.” ”

“Okay, a total of two hundred blue gold stones.” The cat girl said.

“Don’t you have to buy something else?” Li Xu asked, he knew that Bulma bought these books all for him, hoping to research the auxiliary equipment that Li Xu needed.

“No need, these books are enough for me to study for a while.” Bulma shook her head, although she was a genius, it would take a lot of time to fully understand these things.

“Let’s get some more books on space theory and time theory.” Li Xu said.

When the cat girl heard this, she immediately brought over a bunch of books, all about space theory and time theory.

“Wrap it all up.” Li Xu said that his understanding of this aspect is basically zero, and all the knowledge about this area has a certain effect for him.

“Okay, a total of three hundred blue gold stones.” The cat girl said with a smile.

Li Xu took out five hundred blue gold stones and gave them to the cat girl, and only one hundred of their one thousand blue gold stones remained.

“What do you buy these books for?” Bulma asked curiously.

“I am interested in these two aspects of knowledge, and if you want to study them, if you have time, you can also study them.” Li Xu said with a smile.

If space theory can be applied to the navigation technology of spacecraft, the speed of spacecraft can be greatly improved, and there will be no need to spend a lot of time flying in space in the future.

The theory of time is even more against the sky, applied to reality, even through time and space can do this kind of thing, but can only travel to parallel worlds, want to really go back to the past but can’t do it.

Li Xu wanted to study these two aspects of knowledge, not to do this, but to understand the moves related to time or space in the Dragon Ball world, such as flashing time and teleportation.

In this way, not only can you learn these moves faster, but you can also better crack these moves, and even improve these moves.

“I’ll study it when I have time.” Bulma says she’s interested in anything about technology.

I have to admit that Bulma’s talent in science and technology is not as weak as Asian’s talent in martial arts.

After buying these books, Li Xu and Bulma continued to play on the planet Fidar for a day, spending the remaining one hundred blue gold stones, and then left.

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