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Chapter 163: 163

The two of them stood atop a sand dune a thousand meters away . Cheng Cao was holding an AWP sniper rifle and he aimed at a dead tree trunk a kilometer away .

“There’s a full-speed southeast wind, wind force level 3, wind velocity at 6 . 5 meters per second, minute of angle is 7 . ”

Beside Cheng Cao, Chen Chen reminded him . “After firing, don’t look to see if you’ve made your shot . Turn your back and hide behind the sand dune at once . Got it?”

“Alright . ”

Although he did not quite understand Chen Chen’s intentions, Cheng Cao still nodded without any comment .

Chen Chen put on a pair of sunglasses and only his head popped up from behind the sand dune . He prepared to duck . “Okay, you may fire!”

Chen Chen’s behavior alarmed Cheng Cao a little . He knelt on top of the sand dune and aimed steadily at the pedant a thousand meters away .

“Bang!”

After the gunshot, Cheng Cao did not even look . He immediately turned around and jumped off the sand dune . Copying Chen Chen, he got down and put his hands over his head .

Both of them stared at each other without blinking and waited for ten seconds .

Erm…

Nothing happened .

Cheng Cao gave a sheepish grin . Then he returned to the sand dune and made another shot .

“Bang!”

There was another gunshot .

To prevent himself from being blinded, Cheng Cao turned away and glanced at the target out of the corner of his eyes . Seeing that the shot did not land, he continued firing another round…

“Bang!”

“Bang!”

“Bang!”

…

In this manner, Cheng Cao kept at it for five minutes . He had used up three magazines’ worth of bullets . Just when he was feeling somewhat numb, a white light flashed before his eyes .

Instantly, Cheng Cao understood something . In pure instinct, he turned his head and leaped off the sand dune!

Behind the sand dune, Chen Chen also sensed a flash before his eyes . The sky suddenly became much brighter . Three seconds later, there was a deafening sound!

“Boom!”

Along with this deafening explosion, Chen Chen could feel a shockwave that was dying out . The gigantic impact flung the sand off the top of the dune!

That was a shockwave formed after a powerful explosive was triggered!

All at once, both of them were showered and nearly buried in yellow sand .

The shockwave came and went quickly . After a few seconds, Chen Chen raised his hand from the sand, took off his glasses, and shook his head vigorously . After that, he cleared out his ears while forcing a yawn .

The thunderous sound had caused both of them to experience tinnitus .

Not only that but when Chen Chen looked up to the sky, he also noticed that there was a neat circular pattern above them . Wisps of clouds were gathered into a large circle with an empty center . It was truly eye-catching .

This power…

Chen Chen felt quite disturbed . This item should not be used as an energy storage device, but as a bomb . He had hung this bomb around his neck for half a year .

After clambering over the sand dune, Chen Chen saw that the dead tree upon which the “Galaxy” had hung was gone . Not only had the tree disappeared, but even the ground had also vanished .

There was only a huge crater with a depth of dozens of meters and a radius of a hundred meters on the land .

“Is it just about a hundred meters?”

Upon seeing this, Chen Chen could not help but frown .

The width of the crater was only one-fifth of the expected range . In that case, a sniper bullet would only trigger the “Galaxy pendant” to release energy akin to 4 to 5 tons of TNT .

This was about one-fifth of the energy it contained .

The AWP used a 12 . 7×99mm rifle bullet . The known mass of the warhead was 46 . 01 grams, the initial velocity was 850m per second, and the final velocity was 0 . The impact time of the warhead hitting the “Galaxy” was about 0 . 01 seconds . According to the momentum theorem, one should be able to work out that (N-mg)t = 0-(-mv), N = mg+mv/t .

In other words, when the bullet hit the “Galaxy pendant”, the force acting on it was about 4000N . If one divided that by the contact area, one could easily calculate the pressure .

This was the force and pressure that triggered the power akin to four tons of TNT explosive within the galaxy pendant .

Hmm, what an empirical display .

Having thought of this, Chen Chen walked toward the crater and finally located the undamaged Galaxy pendant there .

Even if the energy was released, it remained unharmed . Although Chen Chen did not know how the aliens in the movie had activated the energy within, it was clear that impact excitation was also a method of activation .

Now that he had figured this out, Chen Chen knew what he had to do next .

He just had to find someone who could make an electrical device that could charge the Galaxy pendant so he could charge it 24 hours a day . If he ever had to go off and take the USB drive with him, he could replace the USB drive with the Galaxy pendant so that no electricity would be wasted .

As for releasing the energy that had been absorbed, it was very simple .

Chen Chen only had to use a car engine as a reference . First, he would install and affix the Galaxy pendant in the combustion chamber . After that, when the machine started, the piston would automatically hit the pendant .

Each force of impact would release some of the energy . This energy would push the piston back . At the same time, the connecting rod of the piston, due to inertia, would produce the force of the next impact…

Creating an endless loop .

The only difference between this kind of engine and the car engine was that fuel excitation was replaced by the way the piston would strike the pendant to excite energy . Thus, the need for fuel was eliminated .

By adjusting the force of the piston hitting the pendant, it was also possible to control the amount of energy released by the pendant .

Not only that but Chen Chen also thought of another use for the Galaxy pendant .

If only a small amount of energy was stored in the pendant and it was then installed upon a detonating device, would it not mean that only a tiny amount of explosive could be used to detonate all the energy within the pendant?

This was undoubtedly a super-powerful bomb . Just like before, with a force of only 4000N, it could attain ten times the power of a Tomahawk missile . It was truly a daily essential for killing people, whether one was at home or traveling .

Most crucially, this item weighed only 20 grams, so Chen Chen could extract many of them as backup…

With this in mind, Chen Chen swiftly returned to the research center and began to sketch the engine design .

Furthermore, to be able to activate as much energy as possible at one time, Chen Chen designed the engine with a multi-cylinder form . Each cylinder was two meters in diameter and the fuel chamber was replaced with an impact chamber . At the same time, Chen Chen eliminated the air intake and fuel injection ports, and even the spark plug was completely abandoned .

After finishing the design illustrations, Chen Chen called Qian Wenhuan, asking him to contact those in Germany and find out which engine manufacturer could produce the engine he had designed .

Chen Chen was not worried about this being leaked to others . He could just pretend that this was a handicraft, a hobby . After all, from their perspective, this kind of engine was simply something they had not seen before, something without any function .

They did not know about the existence of the Galaxy pendant, let alone imagine that there was a substance in this world that could release energy through impact . The key point was that this substance would not be damaged even as the energy was activated .