It was one o'clock in the morning, the parents had fallen asleep, the streets were quiet, and in the distance, every now and then a cat meow could be heard.

Gu Dong looked at the books, rubbed his eyes, then pushed open the door and walked out to go to a toilet, and when he came back, he climbed onto his bed with a wooden pendant in his hand.

The picture flashed, and he came directly to the unknown factory, only to see that at this time, there were a lot of things piled up in the factory.

Technopolis has no night, it's daylight 24 hours a day, it's not stationary, and the two huge rings above your head are still spinning automatically.

In the past two months, Gu Dong has searched three streets and found a lot of things, all kinds of armor, all kinds of jewelry, all kinds of robots, densely packed.

There is also a wide variety of weapons.

For example, he found more than 300 electromagnetic pulse guns.

Now almost all of these valuable things have been moved by Gu Dong to the strange factory, lined up in a row, and orderly.

For Gu Dong, the electromagnetic pulse gun is not of much use for the time being, he can only play occasionally, and it is enjoyable to shoot two shots, but it is the kind of soldier armor that he is very interested in.

The armor of the soldiers in the science and technology city has a very high defense and is very light, and after activation, a blue shield will appear on the surface of the armor, which can block the attack of the pulse gun, and the manufacturing level is very high.

Now, they have cleared out more than a dozen of these armors.

This kind of armor seems to be not afraid of firearms attacks on the earth, and if it is possible, Gu Dong even plans to bring a few back to the earth.

Xiao Ling, Xiao Bai and the other robots were basically busy at the Third Research Institute at this time, and during this time, Gu Dong activated many robots one after another, trying to activate a super-large mechanical armor.

Originally, he planned to let the Third Research Institute resume battery production, but the things inside were too badly damaged, according to Xiao Ling's analysis, it would take several years to repair all the instruments, and some parts seemed to be irreplaceable, so Gu Dong had given up on repairing them.

At the end of the day, repair robots aren't a panacea, and they're helpless without sophisticated backup instruments.

Now, Gu Dong's plan is to dismantle a super-large mechanical armor and analyze the structure on it to see if it can be activated?

From the very beginning, he was very interested in large mechanical armor.

There were a total of six super-large mechanical armors found in this place, all of which had been scrapped, and now Gu Dong just hoped that after dismantling them all, he would be able to reassemble a living armor.

The robot team was busy, and Gu Dong started the hovering motorcycle, planning to go to the Third Research Institute to have a look first.

He had searched several streets near the factory, and he had basically picked up everything he could pick up.

He immediately started the hovercraft and flew in the direction of the Third Research Institute.

The height at which this hovering vehicle can fly is not very high, the highest can reach about 600 meters, and no matter how high it is, it will not be able to fly.

Originally, Gu Dong was still thinking about whether he could fly into the universe with it, after all, the universe in the Science and Technology City didn't seem very far away, but after trying it, he found that it was impossible at all.

After flying to 600 meters, the hovercar will give a serious warning that it will not be able to continue to gain altitude, and the lack of oxygen on it is very serious.

The hovercar quickly flew out of the factory, and Gu Dong was in a comfortable mood, but when he glanced ahead, he suddenly found something, and his face couldn't help but stagnate.

Not far away, a huge stone appeared.

Gu Dong was suddenly shocked in his heart, you must know that a while ago, he had searched the side of several surrounding streets, and found no stones at all, but now, he actually found a huge stone falling on the street not far away.

The stone was twenty or thirty meters high.

There was not just one, but three or four, and these stones were of different sizes, and when these stones fell, they destroyed all the surrounding houses.

"How can there be stones......? Meteorite?" Gu Dong's face changed slightly, and he hurriedly controlled the hovercar to fly in the direction of the stone.

Because he has been too busy recently, he hasn't been to the Science and Technology City for two or three days, he just took a look inside a few days ago, and then exited, and he didn't go to the Third Research Institute, but today, when he saw it, there was a meteorite falling, which really scared Gu Dong.

Gu Dong quickly flew to the position, this boulder was six or seven stories high, it seemed that all of it was made of metal, it was extremely hard, it had smashed out a huge crater in the ground, and all the houses within a radius of a hundred meters had been destroyed.

"Damn, it's really a meteorite?" Gu Dong subconsciously looked up at the top of his head, and he didn't know when these meteorites fell.

Hitting such a large crater, it is conceivable that the movement at that time should have been quite small.

"The metal of this meteorite...... It seems a little weird!" Gu Dong flew around the boulder, narrowing his eyes slightly.

The surface of the boulder is silvery-white, and it looks like silver and sodium, which seems to be a little different from ordinary meteorites.

I didn't know if there were bacteria and radiation, Gu Dong didn't dare to get too close, observed the side, and after finding no danger, he immediately went to look for Xiao Ling.

Although Xiao Ling's database is limited, it knows much more than Gu Dong, and in its database, there is a lot of basic scientific information about aliens.

Xiao Ling is currently in the Third Research Institute, it is a ceremonial robot, so it will not repair the robot of the Third Research Institute, usually when Gu Dong is not there, it usually automatically enters a dormant state.

Of course, even if it is dormant, it will still wake up if there is any movement around it.

Gu Dong quickly found it.

"Master, the time is sixteen o'clock and twenty-nine two days ago, and Space City 1125 was hit by a meteorite shower. According to Xiao Ling's observations, as many as 200 meteorites fell. Xiao Ling immediately called up, including saying, showing a shooting video in front of Gu Dong.

I saw that the video was the sky of the Science and Technology City, and countless meteorites rushing down from it.

"When they fell, they were partially blocked by the shield, but since Technopolis was already in a semi-destroyed state, it could not withstand a large number of meteorite attacks. According to Xiao Ling's speculation, there is already a gap in the protective shield above the Science and Technology City!" Xiao Ling said.

"There is a gap, what will happen if there is a gap?" Gu Dong hurriedly asked.

"Master, if the gap in the protective shield of the Science and Technology City is too large, then the Science and Technology City will be exposed to space, and oxygen and air will be lost!" Xiao Ling replied.

"I'll go!" Gu Dong's face changed: "Isn't that why you can't live?"

Xiao Ling turned his head and said: "But don't worry, master, there is also an automatic repair system in the Science and Technology City, which can automatically repair the gap in the protective shield, and in a short time, there is no need to worry about safety." It's just the master, Xiao Ling discovered the metal structure of this meteorite, it is a metal rhenium, and the purity is as high as ninety percent!"

"Rhenium metal?" Gu Dong was stunned for a moment, and couldn't help but be taken aback.

"Yes, this is a metal with an extremely high melting point, and its source is estimated to be the inner core of a certain planet!" Xiao Ling explained: "According to Xiao Ling's calculations, the metal rhenium that fell in Space City 1125 is as high as one hundred and fifty tons!"

Gu Dong's eyes widened suddenly, and he couldn't help but be stunned.

However, for a moment, I couldn't help but be ecstatic.

What is rhenium metal?

It is an extremely rare metal, with the third highest melting point of all elements after tungsten and carbon, and it is extremely useful and extremely valuable.

It can even be said that rhenium metal is more difficult to obtain than diamond, so the price is extremely high.

In August 2011, the average price per kilogram of rhenium metal was US$4,575 (US$142.30 per troy ounce). Because rhenium can be used in high-efficiency jet engines and rocket engines, it is very important in military strategy.

A full 150 tons of rhenium metal is simply a rhenium metal mine, and it is also a large rhenium metal mine.

Gu Dong didn't expect that he hadn't come to the Science and Technology City for only two days, and he had picked up a mine, and he couldn't help but be speechless for a while.

It is worth mentioning that there are very few rhenium metal branches in Huaxia, most of them are in Europe and the United States, and this metal has been embargoed, which is very difficult to obtain.

According to statistics, there are only more than 2,500 tons of rhenium metal ore in the world, and now, he has directly picked up more than 100 tons.