With a lot of confidence, Bai Ping made a big purchase in Fengyuan, bought bags and bags of various souvenirs, and everyone in the family had gifts - this was abundant, and the feeling was different.

Fang Ya also succeeded in getting three sleeper tickets, as for Fang Mingyuan, there would be no problem with whoever squeezed in the three - he was too young to buy a ticket. Bai Ping sent a telegram to the capital in advance, informing the capital to pick up more people. With the help of Fang Ya and his two co-workers, Fang Mingyuan's family of four boarded a train to the capital at noon on the third day after arriving in Fengyuan.

Although the train of '84 was said to be bound for the capital, there was still a huge gap compared with the direct trains of later generations. In the green car, there is no air conditioning, only a few tattered fans, but fortunately, it is winter, people are crowded in the car, but they don't feel cold, but the air is a little muddy. The three tickets that the Fang family got were not together, and only one of them was a lower bunk, but Fang Mingyuan was invincible, who could pull down his face in front of everyone to refuse a child's plea for the old man? So it didn't take much time, the three tickets were exchanged together, and there were two lower bunks. Grandma naturally loves Fang Mingyuan again.

After a long wait, the train finally started, but this maximum speed was only forty or fifty kilometers per hour, and the train was really a torment for Fang Mingyuan, who was already accustomed to the speed of trains in later generations of two or three hundred kilometers per hour. After a while, Fang Mingyuan was already tired of the scenery outside the window. "Grandpa, play chess, play chess, this train is as slow as a turtle!"

"Mingyuan, don't talk nonsense, you're still too slow in this car!" Bai Ping scolded with a smile, "What about the people who take the kind of slow train that stops and stops?"

So Old Man Fang took out the chess pieces from his duffel bag and set them on the bed. Since the game of chess between Fang Mingyuan and Zhao Jianguo and Old Man Zhao, Old Man Fang has had a little more chess friend, and whenever Fang Mingyuan is idle, Old Man Fang will pull him to play a few games. There are victories and defeats, and the fun is endless.

As time passed, the people who were getting more and more bored in the surrounding sleepers slowly noticed the old and young people playing chess. Originally, they thought that this was just Old Man Fang teaching children to play chess, but after a few glances, they were surprised to find that Fang Mingyuan really knew how to play chess, and it seemed that his chess skills were also good! By the end of the game, these people could already be sure that this child, who looked like he was under ten years old, was not low in chess.

Fang Mingyuan and Old Man Fang played three sets, and in the end, Old Man Fang won 2-1. In fact, among them, Fang Mingyuan is also secretly putting water, this is not at home after all, it is necessary to maintain the face of the old man, otherwise he will lose to the little grandson, in front of so many outsiders, the old man's face will not be able to hang up.

After three sets, Fang Mingyuan shouted that he was tired, and someone took the initiative to come up to replace him. Fang Mingyuan lay on his grandmother's sleeper, looking at the scenery slowly swaying outside the window, and after a while, he couldn't help but sigh again. "It's so slow, when will it take to get to the capital?"

"Children, there are more than 1,000 kilometers from Fengyuan to the capital, and such a long distance, of course, it will take a little longer. A middle-aged man sat up from the middle bunk, poked his head out and replied with a smile.

"It's only more than a thousand kilometers, and it takes at least twenty-four hours to walk, isn't that slow?" Fang Mingyuan asked loudly.

"Then you can only fly, but now it is not so easy to buy a plane ticket in our country. And the plane ticket is too expensive!" the middle-aged man shook his head. He could see that Fang Mingyuan's family's dress and temperament should not be citizens in a big city, and for them, the ticket price of the plane was obviously too high.

"yes, we can't afford to sit on the plane. Fang Mingyuan said with some frustration, not to mention now, even in the last life, airplanes became a tool for ordinary people to go out, and that was around two thousand years ago. And now, I am afraid that except for the state workers who go out with public funds and have real emergencies at home, and have to bite the back molars to buy tickets, ordinary people will definitely not be able to get on the plane. Although the Fang family now has more money, the money is not wasted like this.

"It would be nice if there was a maglev train!" Fang Mingyuan muttered, in later generations, he took the maglev train in Shanghai and also took the "Harmony", which can be described as a deep memory. Compared with them, today's car speed can only be called turtle speed.

"Maglev train, what kind of car is that?" The middle-aged man in the middle bunk had very smart ears, and although Fang Mingyuan muttered quietly, he actually let him hear it.

Fang Mingyuan was stunned, he didn't expect to be heard. However, he thought about it, being idle is also idle, the theory of magnetic levitation seems to have been put forward in Europe at the beginning of the century, and it is not a big deal to talk nonsense now.

"Uncle, the maglev train is a high-speed train. "Fang Mingyuan has always had a sweet mouth, anyway, his age is here, and he doesn't suffer a loss when his mouth is sweet.

"How fast is a high-speed train? Why haven't I heard of it?" asked the middle-aged man in surprise. Hell if he had heard of it, even Britain and Germany, which were at the forefront of this jishu, had not yet built an experimental route. I'm afraid that only those train experts who have studied abroad may have heard of it.

Fang Mingyuan scratched his head, the theoretical speed of the maglev train can reach more than 500 kilometers per hour, and the actual speed can also reach more than 300 kilometers per hour, but if he is honest, these data will not be found now. "At least 100 kilometers per hour. It's just the kind of train I envisioned. ”

The middle-aged man was relieved, it turned out to be just a child's fantasy. However, looking at Fang Mingyuan's serious appearance, he couldn't help but ask again: "Then can you tell me what kind of train this is, and how fast can Weishenme run?"

"Uncle has played with magnets, right?" Fang Mingyuan asked.

"Of course, my uncle had several big magnets when he was a kid!" said the middle-aged man laughed. When they were young, they were able to have a few big magnets in their hands, and that was something they would be proud of.

"Then uncle should know the principle of magnets repelling the same sex and attracting the opposite sex. I imagine that if the rail becomes a magnet, the train becomes another magnet, using the principle of same-sex repulsion, as long as the magnetic force is large enough, then the train should be able to float on the rails, if we can control the strength of this magnetic force, to ensure that the train will not roll over and move sideways, can stabilize on the top of the tracks, and move in the direction of the tracks, then this is a maglev train. The teacher said that the reason why the train can move forward is because of the friction between the wheels and the rails, and the reason why the plane flies fast is because it only has air resistance, while the train not only has air resistance, but also the resistance of the ground, so it can't drive fast. If it's a maglev train, because it floats on the rails, that is to say, it also has no ground resistance, so this speed is naturally fast!" Fang Mingyuan tried his best to explain the principle of maglev in the tone of a child, and he had to make it clear, which really made him spend a lot of brains.

For a long time, the middle-aged man didn't reply, Fang Mingyuan poked his head out strangely and took a look, the middle-aged man sat there like a wooden chicken, like a wood carving clay sculpture!

"Oops, it's a big deal!"