Since the plane flies in the sky. Its internal parts should be as small and light as possible, and the weight of the aircraft itself should be minimized, only in this way can the aircraft fly higher, faster and more stable!

The velocity of an object is often inversely proportional to the weight of the object, and to increase the velocity of an object, it is necessary to minimize the weight of the object.

The reason why light can run 'fast'. It is because the mass of photons is very small. The mass of a photon is comparable to that of an electron, much smaller than both protons and neutrons. So, photons can travel at the speed of light.

Particles such as protons and neutrons can only travel at speeds well below the speed of light. That's just more than a million kilometers per hour. And the speed of light is 180 million kilometers per hour! The speed of the two cannot be compared at all!

Of course, these are the worlds of microscopic particles, which are not quite the same as our real world. In the real world, it's hard to find an object that can reach such speeds.

The speed of the fastest spacecraft developed by mankind is the third cosmic speed, which is 16.7 kilometers per second. That is, the speed is more than 60,000 kilometers per hour.

That's a lot of speed on Earth. As we all know, the circumference of the equator of the terrain is more than 40,000 kilometers. With the fastest speed of a human spaceship, it only takes more than half an hour to go around the terrain!

This speed seems to be very fast, but if it is placed in interstellar space, it seems very slow.

In the seventies of the last century, a space probe was launched, the Voyager spacecraft. This spaceship, traveling through the solar system at the third cosmic speed, flew for more than 30 years before barely flying out of the inner solar system.

As you know, the Oort cloud is the true edge of the solar system. Now Voyager is heading towards the Oort Cloud, but it will fly to the outer solar system, the edge of the real solar system, and it will fly for a few hundred years!

Other words. In order to fly out of the solar system, the fastest spacecraft ever developed, it would have to travel in the solar system for hundreds of years.

And it might take 80,000 years to fly to Proxima Centauri, the neighbor of the Sun, and 3.8 billion years to fly out of the Milky Way. It would take six billion years to fly to the nearest galaxy, the Milky Way's little brother, the Large Magellanic Cloud.

The Great Magellanic Cloud, on the other hand, is only a satellite galaxy of the Milky Way, and it is only 160,000 light-years away. The nearest galaxy, the Andromeda Nebula, is more than 2 million light-years away from our Milky Way.

It would take more than 76 billion years for our spacecraft to fly to the nearest galaxy, the Andromeda Nebula.

It's an unimaginable time. Mankind already knows that the age of our entire universe is between 13.7 billion years and 13.8 billion years. If a human vehicle wants to fly to the nearest galaxy, it will take more than 70 billion years to fly, which is unimaginably far away.

In fact, the Voyager may not even be able to fly out of the Milky Way, and he has already encountered the end of the universe.

Because scientists don't know how to calculate that our galaxy could be three billion years from now. Meet her eldest sister, the Andromeda Galaxy.

When the two sisters meet, it may be the end of our universe, because when two galaxies collide, it will be the most tragic 'traffic accident' in the universe.

When the time comes. The solar system may also be wiped out in this super 'traffic accident'. Of course, the collision of two galaxies does not necessarily cause a collision between stars. Because the stars are so far apart, they can easily range from several light-years to tens or hundreds of light-years!

Even if two galaxies collide. The stars may still be safe! But in any case, the collision of two galaxies will raise the temperature of the entire galaxy a lot!

Because galaxies are in stellar space. There is also a lot of thin interstellar gas and dust. These things, in the collision of two galaxies, are constantly rubbed and heated. So the temperature of the whole galaxy has to rise a lot.

And the stars that exist in these interstellar gas dust, of course, will also raise their own temperatures. As the temperature of the star rises, the big planets near the star will also set themselves on fire.

The temperature on the planet determines whether life on the planet can survive or not. The reason why the earth can give birth to life is that it has a unique temperature environment suitable for the existence of life.

But once two galaxies collide, even if there is no collision between the stars, as the temperature of the stars rises, life on the planets will be wiped out.

Therefore, human aircraft, traveling in the universe at the speed of the third universe, may never be able to fly out of our galaxy.

Without further ado, the book gets back to business.

The atomic missile that Zhao Zhongyao is going to develop now is to increase the flight speed of the air defense missile!

But how can we increase the flight speed of the anti-aircraft missile? He knows that two things must be done in order to increase the speed of the anti-aircraft missile!

First, it is necessary to minimize the weight and volume of anti-aircraft missiles. Now the S-300 anti-aircraft missile he has developed has a body length of 10 meters, a diameter of 1 meter, and a weight of more than 10 tons!

With an ordinary engine and liquid propulsion, it is difficult for such a missile to exceed Mach 2.

And now the speed of the enemy's high-altitude reconnaissance aircraft is Mach three. If you want to catch up with other people's high-altitude reconnaissance planes, you must make the speed of anti-aircraft missiles reach more than Mach 3!

Zhao Zhongyao knew that now if you want to increase the flight speed of anti-aircraft missiles, you must first reduce the weight of anti-aircraft missiles. That is, to reduce the volume of anti-aircraft missiles. Such bulky anti-aircraft missiles can no longer be used.

However, if the volume of the anti-aircraft missile is reduced, the importance of the engine and propulsion economy will also be reduced! Without a lot of fuel, how can the anti-aircraft missile fly a longer distance?

If you want to increase the speed of the missile, you need to reduce the weight of the missile. However, the importance of reducing the number of missiles is also to reduce the weight of fuel. Without enough fuel, how can you launch a missile at a high altitude and fly a long distance!

Zhao Zhongyao really didn't know how to solve this problem for a while! He looked at the engine of the anti-aircraft missile he had designed before.

He now knows that he wants to make anti-aircraft missiles have strong thrust despite reducing size and weight. It is still possible to fly long distances, and that can only be done on the missile's engine engine.

The previous ordinary engine engine is obviously not suitable for the new missile he wants to develop, and the extreme speed missile he wants to develop must use the new atomic engine engine!

Zhao Zhongyao found out all the drawings of the atomic engine he had designed before, and then further studied and thought about it, he wanted to think about how to further reduce the volume of this atomic engine. This will be used on his new anti-aircraft missiles.

And to reduce the size of the previous atomic engine, the only thing to do. It is to further reduce the size of a small atomic reactor at the core of it!

Only by further shrinking the atomic reactor could it be installed on the new anti-aircraft missiles he designed.

Zhao Zhongyao decided that the volume of this new anti-aircraft missile designed by himself was only half the size of the original anti-aircraft missile.

That is, the new atomic missile will not exceed five meters in height and half a meter in diameter. The weight will not exceed five tons.

And the flight range of this new missile is much farther than that of the original anti-aircraft missile, at least more than 300 kilometers. And the flight speed. Also more than Mach three. Only in this way will it be possible to shoot down the enemy's high-altitude reconnaissance plane!

Of course, the reduction in volume is just a matter of modifying some data on the design drawing. This question is not a problem at all.

However, on the issue of the core engine of an anti-aircraft missile, how to narrow it down even further. And to increase the power of this engine exponentially, it is something that makes Zhao Zhongyao a little difficult.

The small atomic reactor he developed before was already the minimum limit he could design. If you exceed this limit. Then the reactor will not work. And now if you want to use this reactor for anti-aircraft missiles, you have to at least reduce the volume of the original engine engine by half!

"What should I do, how can I further shrink this small reactor and still make it work!" Zhao Zhongyao stared at the drawings of the small reactor he had designed before, and fell into a kind of helpless distress.

Zhao Zhongyao has a habit of smoking when thinking about problems. This seemed to help him think.

In fact, he is not a person who loves to smoke, whether before or after his death, he did not have the disgusting feeling of smoking.

But when he was studying the problem, especially when he encountered some unsolvable problems, he had the feeling of smoking. So, I would light a cigarette and walk around the office thinking about the problem I was trying to solve.

This time, it was the same, Zhao Zhongyao encountered a somewhat difficult problem, so he took out a cigarette from the cigarette case, lit it, and walked around the office while smoking.

Because of his concentration of thoughts, he forgot to smoke again when he was thinking about the problem. So the cigarette burned between his fingers!

"Oops!" Zhao Zhongyao was thinking about the problem, and suddenly felt a pain between his fingers. He instinctively raised his hand to see what was going on.

It turned out that he had forgotten to smoke when he was thinking about the problem just now. As a result, the burning cigarette butt burned it.

"Yes, why don't I develop a small atomic reactor? Let uranium be burned in 'briquettes', and the size of the atomic reactor can be greatly reduced!"

Zhao Zhongyao really inspired him because he burned the cigarette butt! From the cigarette burning in his hand, he thought of the uranium stick burning in the reactor!

He wants to design a small atomic reactor and use it in the new type of air defense missile he wants to develop! In this way, the core problem of the new type of air defense missile can be solved!

With this wonderful idea, Zhao Zhongyao quickly began to design this new type of small atomic reactor.

After more than ten hours of hard work without eating or drinking, he finally designed this small atomic reactor.

"Haha, great, I finally made it. ”

Although Zhao Zhongyao now feels a little dizzy. Because he hasn't eaten anything or drunk a drop of water for more than ten hours!

But thinking that he had finally solved the core technical problems in the new anti-aircraft missile, he still laughed excitedly.

That's when he heard someone knocking on his office door!

"Please come in!" Zhao Zhongyao put the design drawings on his desk, then returned to normal, looked at the door and said.

"Squeak!" the door opened, and Yan Mingcheng walked in with a smile.

In the past few days, the enemy's high-altitude reconnaissance planes have been reconnoitring military intelligence in China's airspace! And our ordinary air defense missiles are not able to hit people at all! I wonder if your new air defense missiles have been designed!

Yan Mingcheng has been very anxious these days!

As a result of the last time, the enemy's high-altitude reconnaissance plane, in the sky over Jianghai City, successfully "destroyed" an anti-aircraft missile.

Now they are sending this kind of unmanned high-altitude reconnaissance plane to the skies over Jianghai City every now and then to reconnoiter military intelligence!

And Yan Mingcheng's troops can only watch and watch, and there is nothing they can do.

If they launch anti-aircraft missiles, they will only waste these expensive 'shells' in vain! Not only will they not be able to catch up with other people's high-altitude reconnaissance planes, but they will also be 'destroyed' by other people's high-altitude reconnaissance planes!

Yan Mingcheng has also been very anxious in the past few days, watching the enemy planes flying above his head at will, he can't wait to pick up a machine gun and strafe it! But he knows that it is pointless to do that. So he thought that Zhao Zhongyao would develop a new type of air defense missile as soon as possible, and he would be so angry!

Today, the enemy's high-altitude reconnaissance plane is again flaunting its might in the skies over Jianghai City! Yan Mingcheng was a little unable to sit still. He came directly to Zhao Zhongyao's office in the military factory.

As soon as Zhao Zhongyao saw that it was Yan Mingcheng, he knew why he came. Of course, I want to know what happened to the new anti-aircraft missile he developed!

"Haha, it's really the right time for you to come! I just had an idea to solve the most critical problem! I have also designed the drawings for the atomic reactor! But I have not eaten or drunk for more than ten hours. I don't know, can you invite me out for a meal!" Zhao Zhongyao looked at Yan Mingcheng mysteriously and said with a smile. (To be continued.) )