In physics, gravitational waves refer to ripples in the curvature of spacetime.
During the Convergence of the Nine Realms, these nine Planets were connected by something mysterious. Because of his experience in New York, although Selvig had never personally detected gravitational waves, he already had a deep understanding of this type of matter wave—by Earthling standards.
It was precisely because of this that he created this instrument capable of utilizing gravitational waves to a certain extent, allowing Earth to avoid spatial overlapping.
But that did not mean he could manipulate gravity at will. Therefore, when he saw Harry producing gravity at will with a small ball in his hand, he went crazy too.
"What is this? gravitonium? This is impossible—how could something like this actually exist?"
Facing Selvig's confusion, Harry knew he didn't need to explain—Selvig had, after all, been in close contact with two Infinity Stones; he had at least that much capacity for acceptance.
It was just that he also found the mechanism by which this compound generated gravity incredible. After all, people could accept that a mysterious object called a "Tesseract" possessed some unscientific ability, but a "compound" was a bit strange.
"The fact is, this thing exists, Dr. Now it's time to correct your theoretical model. If your ideas are correct, then we indeed need to be vigilant about the Convergence phenomenon," Harry said.
In fact, they were correct. At this moment, Thor's girlfriend had already been possessed by the Aether and was visiting Asgard.
Malekith was quite powerful after gaining control of the Reality Stone—if something went wrong and Thor failed to take him down, Harry needed a backup plan.
Selvig patted his head and checked the instrument readings:
"The gravitational field produced by this thing is too small; my instrument cannot detect the change in gravitational waves—but there is another way." Selvig felt his pocket, "But we need to find a laboratory."
Harry picked up a napkin from the dining table, wiped his hands, and said, "This place is indeed not suitable for scientific research. Let's go to my place."
The European branch building had just been completed, and the equipment was very complete.
Compared to the New York headquarters, the European branch's facilities were still a bit behind, but they could still crush over 99% of all kinds of enterprises and organizations here.
Dr. Otto was repeatedly calculating formulas on the side, Dr. Selvig was tinkering with his invention, and Harry just treated it as attending a class; the R&D efficiency was quite high.
Now, this tester was quite sensitive to rapidly changing gravity. Through this method, Selvig could determine extremely weak gravitational waves.
Inside the isolation wall, there was only the Peak Gravity Tester and the gravitational field generator; it looked quite calm on the surface.
However, only by being inside or through instruments could one observe the gravitational changes in the room, which were like raging waves!
"Very good, very good—the instrument is working. Now I will stabilize these gravitational forces—"
Using the energy of gravitational waves to twist other gravitational forces was, macroscopically speaking, like a process of borrowing force to strike, only the thing being borrowed was quite abstract.
This thing quickly took effect. Under the expectant gaze of everyone, the randomly changing gravitational field gradually became stable.
"It's a success!" After a brief silence, Selvig raised his hands high and roared, almost giving Dr. Otto's tentacles a stress reaction.
No matter how Volt changed the frequency of the input current, the gravitational field became stable under the action of the Peak Gravity Tester.
Compared to his initial excitement, Selvig was now very calm.
Selvig murmured, "It's amazing. To be honest, this instrument was originally only supposed to detect changes in gravitational waves; I never thought it could actually be used to stabilize anomalies."
In the original work, Jane Foster helped him perfect this step of the design, but now it had been completed in advance.
"Well done, both Doctors." Harry applauded from the side—he was just auditing the class, and he really couldn't offer any constructive suggestions on this matter.
However, he could take these data and equations back to study carefully.
"These equations can also be applied to the gravitational field generator; we can directly control the gravitational field excited by the gravitonium," Dr. Otto suggested from the side.
Harry nodded in deep agreement. He planned to ship some gravitonium to the Mars exploration team and space operations teams after a while to improve their lives.
With this thing, Osborn's space Flyers wouldn't need to simulate gravity through centripetal force anymore, and space stations could also be redesigned.
Furthermore, as long as he carried a gravity generator in his pocket, he could even count as a low-spec version of Graviton.
It's just that the threat of the Dark Elves was closer right now.
"I agree with you, Doctor. But don't we have an even more severe problem that needs to be solved right now?" Harry said.
"Yes, yes, the Convergence. Thank you very much for the reminder, Mr. Osborn." Dr. Selvig rubbed his hands, "To prevent the devastating consequences caused by the Convergence, we need to find the weakest point of the boundaries between the realms when they align."
Harry cooperated by opening a holographic map.
"I detected a gravitational anomaly at Stonehenge, so I concluded that this weak point would eventually converge somewhere in London, but then I was arrested," Dr. Selvig said.
"But I think some prehistoric civilizations might have already encountered the Convergence phenomenon—and left behind peculiar structures and legends like Stonehenge. So I researched some historical materials and finally found this convergence point through these 'maps' left by predecessors."
Selvig drew a few lines on the holographic map, and finally, these lines converged at one point—Greenwich.
"Very good. I will go notify the British authorities. Both Doctors, you continue to perfect this device. I think its current state is probably not suitable for direct use."
The Peak Gravity Tester was currently just a metal rod tied with various tapes, looking extremely unreliable.
Harry left them to it and walked out of the room.
Dr. Otto smiled and said, "It's a pleasure to work with you again, Doctor, but I think, shouldn't you put on some pants?"
It was unknown what kind of problem this doctor had; he had been bare-assed since the research started.
"This helps me think; you should try it too—have you heard of the Adamites?"
Walking out of the branch, Harry called General Ross: "General Ross, how are the aerial platforms and carrier-based aircraft?"
"Very good, and those big guys—you always manage to come up with some new tricks for me."
Harry smiled and said, "As long as you're satisfied. Now I need you to prepare to move the aerial platform to London."
The other end of the line was silent for a moment before saying, "This is no small matter. What excuse do you want me to use to fob them off?"
"Aliens."
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