Chapter 2525

Chapter 2525

At this moment, what appeared on Lu Xiangning's palm was a round object that looked similar to the rouge and gouache used by women, but it was engraved with numbers, southeast, northwest, and a silver pointer in the center of the disk.

All the students looked confused and stunned, and they were so confused that they couldn't even recognize what kind of invention this was.

Even Chu Yunteng was startled, and then burst into contemptuous laughter.

"Haha, I thought you were going to come up with some great invention, but it turned out to be an unknown object. Can this kind of item be considered an invention?"

Liang Bo and others also hurriedly followed suit and sneered: "That's right. I won't say what effect this thing has for now. Even if it has some effect, how can this palm-sized thing benefit the people?"

"I've seen people make fools of themselves before, but this is the first time I've seen someone like Tang Yu take the initiative to make a fool of himself."

Whether it was Chu Yunteng or others, or Shen Changsheng, Qin Feng's master and disciple, they all looked down upon the items that Lu Xiangning took out.

Originally, they were still worried about another creative work of Tang Yu, but now it seems that they are worrying too much.

Seeing the arrogance of Chu Yunteng and others, Tang Yu looked at them as if they were idiots.

Little did they know, it turned out that what Lu Xiangning took out was the compass, one of the four great inventions of ancient China!

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You must know that the guide has played a huge role and influence on the progress of human society. It can not only be used in navigation, but also plays a huge role in the military field, allowing the army to determine the direction and not get lost.

Instructor Long Wu also frowned. She didn't believe that Tang Yu would invent something useless.

"Tang Yu, introduce your invention to the students."

Hearing this, Tang Yu nodded, with an intriguing smile on his lips.

In an instant, Chu Yunteng and others felt a strong uneasiness in their hearts, as if something bad was going to happen.

"Before the introduction, I would like to ask the students a question: Why are there only seven kingdoms in the world, or are there really only seven kingdoms in the world?" Tang Yu said with a half-smile.

As soon as these words came out, all the students looked at Tang Yu in confusion.

"Aren't there only seven kingdoms in the world?" one of the students said subconsciously.

Tang Yu smiled and shook his head, saying: "No, in fact, what you know is only ten percent of this world. The world we live in is called Earth."

Earth?

The students were even more confused. This was the first time they heard the name of the earth.

"There are seven continents and four oceans on the earth, and we are only in one of the small continents." Tang Yu patiently explained geography knowledge to the students, who felt as if they had discovered a new continent.

"Your Highness Tang Yu, are you saying that the world is wider than we think? We have only explored one-tenth of the earth, and there are other ethnic groups living in the other half of the earth?"

"Let me go, is this true or false? Could it be that His Highness Tang Yu is talking nonsense?"

"If His Highness Tang Yu really said what he said, then I really want to see what those blond and blue-eyed people look like. It's a pity that no one has crossed the sea to reach the other side of the earth in a hundred years."

The students talked a lot, and Tang Yu's words successfully aroused their desire to explore, but everyone knew that there was an endless ocean on the border of the seven countries in the world.

For hundreds of years, countless people have gone to the sea to explore, and also wanted to see what the world on the other side of the sea is like.

However, no one has ever succeeded. Those who went to explore either encountered storms and sank into the sea, or lost their way at sea and were never heard from again.