After listening to Han Feng's words, all the students present calmed down and even breathed lightly.

Because the students were so curious about this issue.

Such a big bubble appeared out of thin air, as high as the Paris Tower, colorful and full of unknowns!

"Before I talk about what this thing is, I need to give you some science first." Han Feng turned on the projector and a very classic picture appeared on it - it was an analysis of Einstein's wormhole theory.

"I believe everyone knows the concept of space-time wormholes, right?" Han Feng pointed to the picture and said, "The wormhole is also called Einstein-Rosen Bridge, which is also translated as hole-boring. It is a narrow tunnel that may exist in the universe that connects two different spaces of time and space. In theory, wormholes are space tunnels connecting two space-time and space, just like a vortex that can make local water surfaces closer to the bottom, and can make two local spaces with very far distances very close in an instant."

"Of course, the knowledge about wormholes is actually a very high-end knowledge, and everyone just needs to understand it a little."

"So, what is this bubble that appears in the southeastern area of ​​Shencheng?" Han Feng looked around the audience and said with a smile: "In fact, it is similar to a wormhole, but the specific theory cannot be explained by our current basic scientific theories. The current scientists in the world have given this thing another name, called the Bridge of Foreign Countries."

"Director Han," a student below asked, "I know the wormhole, but shouldn't it be a hole? Why is it a ball?"

"This is actually very simple," Han Feng clicked on the projector again, and a rotating picture appeared on it.

On the picture, it starts with a plane, and in the middle of the plane is a prototype hole.

Then when the plane begins to rotate, the previous hole becomes a ball.

Han Feng smiled and said, "It's actually just an image we made for the convenience of explanation. A circular hole in a two-dimensional plane becomes a ball when placed in a three-dimensional space."

So that's it!

The students present nodded.

Anyone who has watched the science fiction movie Interstellar has basically heard of the wormhole theory. If you haven’t seen this movie, it will be easy to understand after Han Feng’s explanation.

At this time, the students sorted out the knowledge they had just gained, and at this time they discovered a very important point.

People in the world have given this thing a name, that is, on the world, this small wormhole in Shencheng, which is this foreign bridge, is not the first to appear!

"Director Han," another student asked, "Isn't this... strange bridge in Shencheng the first?"

"Yes." Han Feng nodded and said, "It is indeed not the first one. There are eighteen foreign bridges that have been confirmed to appear and recorded in the world. This one in Shencheng is the nineteenth one."

The students below suddenly said "Wow"!

It is actually the 19th one. So the first eighteen should have been controlled?

"Okay," Han Feng pressed his hands and continued: "Everyone is quiet. Next, I will talk about what happened to this foreign bridge."

"The first appearance of the foreign bridge was in October last year, in the Sahara Desert in Africa. When countries around the world discovered it, they sent scientists to analyze it. I am not convenient to explain the specific situation in detail, but what I can reveal to you is that this foreign bridge is indeed connected to a foreign space, which is the foreign environment of the foreign bridge I just mentioned to you."

"This foreign bridge in the Sahara Desert connects foreign country No. 1. In foreign country No. 1, it is a vast continent. How big is it? The report issued by the armies of various countries who entered the foreign country No. 1 when they came back, the area of ​​this continent is about 300,000 square kilometers, and it is floating in the universe."

Damn it!

When they heard this news, all the students below were shocked!

A continent of 300,000 square kilometers floating in the universe is so fantastic, right?

The following was in an instant, and many students began to use their brains—

"How does this sound similar to the outer realm of World of Warcraft?"

"It's a bit like it, but it's also a bit like the planet in the Three Body, the kind that is torn into pieces by stars!"

"Will there be atmosphere floating in the universe? Is there water? Is there life?"

The students' questions were all kinds of. They discussed for more than ten minutes, and then Han Feng coughed gently.

"Okay, let's be quiet." Han Feng smiled and said, "I can answer everyone's questions the same. First of all, this continent is indeed similar to the outer realm of World of Warcraft. Don't be surprised. After all, a lot of human imagination is concentrated in game film and television novels. I use this kind of thing that everyone is more familiar with and has a specific image to compare may give everyone a clear impression."

The students below nodded together.

Indeed, it is much easier to understand the pictures in film and television game novels.

"Then, some people just said whether it was torn apart by stars like the Three Body," Han Feng continued: "This is almost the same according to the report back. This continent is floating in the universe, and not just one piece. This has been confirmed after the twelfth foreign bridge appeared. In other words, these foreign countries are composed of fragments of planets floating in the universe. However, there is another thing that has not been confirmed at present, that is, what is the central area of ​​the celestial body composed of these planet fragments is still unclear. Of course, it is also possible that what we have learned is just a drop in the bucket. After all, in this strange area, what we have observed may be only one ten thousandth of the things we have observed."

Speaking of this, he paused and continued: "In addition, the proportion of awakened liquid in a foreign environment is more than ten times that of the earth, that is, the spiritual energy is more than ten times that of the earth. However, affected by the awakened liquid, all radio waves are ineffective, and the burning speed of gunpowder is more than one-tenth of that of the earth, which also causes thermal weapons such as guns and missiles to be basically unusable."

Hearing this, the students below became curious again.

Electronic equipment cannot be used, thermal weapons are not easy to use, but the aura is very rich...

Why is this a bit similar to the fantasy world in the novel?

At this time, a classmate asked an extremely critical question: "Then Director Han, another world...oh, is there any creature in another world?"

This issue can be said to be the most concerned by the students present.

Han Feng obviously had no habit of keeping him indifferently, and nodded with certainty: "Yes."

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Thank you Zhang Tui, who swept the world, for recommending "Tiandao Library", a super good book!
Chapter completed!