Chapter 12 Anti-gravity

Gravitation, gravity, also known as gravitationa1Interanets, refers to the tendency of objects with mass to move closer to each other, and is also one of the four basic interaction forces in nature, the other three interactions are electromagnetic interaction force, weak interaction force and strong interaction force, gravitational force is the weakest force in the above interactions, but it still has an attractive effect in distance. In classical mechanics, gravitational force is considered to be derived from the action of a force of mass. In general relativity, gravitational force arises from the distortion of space-time by the mass of existence, rather than the action of a force. In quantum gravity, gravitational neutrinos are assumed to be the transport medium of gravity. (From Baidu Encyclopedia, don't spray)

But as the weakest of the gravitational forces, which can be fought against by human beings, it is indeed everywhere and extremely terrifying in the world. The four basic interacting forces can convolute the dimensional dimension of space, reducing the universe from 11 dimensions to 3 dimensions; The gravitational pull of an object that can distort time and become more massive can also be generated, and the gravitational pull generated by a black hole can reduce the passage of time to almost a standstill.

Looking at the wand in front of him, holding the wand in his hand, Albert was sweating profusely. The knowledge in his mind told him that the future was not without anti-gravity devices, but there was definitely no such a simple anti-gravity device that looked like a broken branch.

Since the advent of the 21st century, the more it has been developed, the more mature the anti-gravity technology has become, and finally although there are anti-gravity devices that can be used by children, but unfortunately, they are not real anti-gravity.

The original heave was nothing more than an ionic wind produced by a large number of electromagnetic changes, but later the technology was reached, and although the name was anti-gravity, it was actually an ionic wind. Radio transmission technology connects the whole earth into a whole, just an umbrella can also rely on electromagnetic fields to achieve "anti-gravity", in fact, Albert remembers a certain era in the future, because of the introduction of this technology, almost everyone, whether rich or poor, have chosen to fly with umbrellas, and every time you commute to work, you can see a large number of people with umbrellas flying in the air......

"How can it be a true anti-gravity technology?" The original Albert didn't know about the broomstick, but simply thought it was just a flying machine similar to an ejector, didn't he see the stars coming out of the broom behind the broom when the wizard flew, wasn't that the exhaust gas of the fuel after combustion, or an air device, but he never expected it to be an anti-gravity device.

At this moment, unlike Albert, who was stunned, the other students were preparing to fly, but Neville was too nervous for fear of being left on the ground, so he kicked hard and flew up without waiting for the whistle to touch Mrs. Hooch's lips.

"Come back, kid!" Mrs. Hooch shouted, but Neville went straight up like a cork squirting out of a bottle—twelve feet—twenty feet. Harry saw his frightened, pale face looking down at the ground flying away below, and saw him pant with his mouth wide open, slipping off the side of his broomstick, and then—thud—a thud, a thud, and Neville lay face down in the grass on the ground, huddled into a ball. His broomstick was still rising higher and higher, and then began to float slowly in the direction of the Forbidden Forest, disappearing.

Mrs. Hooch bent down at Neville, her face as pale as Neville's.

"Broken wrist." Harry heard her whisper, "All right, kid—it's all right, get up." ”

As everyone gathered around to look at Neville, Hermione pulled out and walked over to Albert's side, "Al, I didn't expect the broomstick to be so dangerous, I don't think I'll ever learn to fly in my life, I know my mom and dad will be very sad if I get hurt......"

Hermione, who had been talking for a long time, suddenly Albert in front of her didn't seem to be listening to her at all, but was dumbfounded.

"Hey!" She walked into Albert's ear and screamed, and Albert woke up from his thoughts.

"You know what! Hermione, this broomstick is an anti-gravity device! ”

Hermione tilted her head to look at Albert, "So what?" Is the anti-gravity device amazing? In our ordinary world, isn't it possible to fly airplanes? And it can fly to an altitude of 10,000 meters. And didn't you tell me that someone landed on the moon more than ten years ago? Hermione wondered, what about anti-gravity? At most, it is more magical for wizards to fly with broomsticks, and if ordinary people want to fly, they can also take planes or helicopters.

Just as he was about to popularize the knowledge of the four major forces and anti-gravity to Hermione, suddenly the Gryffindor and Slytherin behind him became noisy. "I guess we'd better go and sit by the lake and talk...... I can't go on this class anyway. Albert looked at the students who had become confused by the professor's departure and said in disgust.

"Well, if you're sure. I don't think the professors will expel us for skipping a class, and if I did, I'd be prepared, and I'll just say we're going to find Neville's broom, and Al you have to remember to say the same thing as me......" Hermione of Balabala didn't stop talking until the two of them walked to the lake, found a piece of dry grass and sat down, and Albert took out a notebook and pen, and explained to Hermione while drawing.

"You mean that anti-gravity devices will not be possible for at least 2oo years?" After hearing Albert's popularity, Hermione also became surprised, "But the wizards have already implemented this technology!" Is it really magic? ”

"No, Hermione, think about it, what is said in the book "Quidditch Origins", I also read that book once, and it clearly told us that the broomstick was quickly exhibited after the flying magic carpet was banned, but the origin of the earliest flying magic carpet was the Golden City in "One Thousand and One Nights", I doubt it...... Wizards carved magic spells on magic brooms, and then magic brooms have the ability to fly, do wizards really know what gravity defying is......" Albert was still talking, and Hermione suddenly thought of something.

"Stop, Al." Hermione said, "Do you mind if I cast a spell on you?" ”

"I don't think I would mind if it wasn't for the forgetfulness, but don't turn me into gold." Seeing what Hermione seemed to be trying to say, Albert stopped talking, just thinking about the order of words, is it really incredible, spells, anti-gravity?

"Yuga Dim Leviosa!" Wielding her wand and chanting spells, Hermione had benefited from the magic of the previous day, and now she felt almost as powerful as a fifth or sixth grader. A levitation charm easily lifted Albert into the air.

“hat！ hat！ Hermione, what did you do, and why did I float up......" At first, he was a little panicked, but Albert soon showed a startling phenomenon, "The air around me is not moving, and the electromagnetic field is normal, at least I think so...... Hermione, when did you learn the anti-gravity spell? ”

"Calm down, Al, I think you've been studying this spell lately, since you're wondering how wizards' anti-gravity works...... Yuga Dim Leviosa is a levitation spell that you can practice until you master it......" Hermione said as she lifted the spell.

When Albert heard this, he silently chanted the spell a few times before looking up at Hermione and said, "I think I need to buy a light wheel 2ooo to dismantle and study the spell or something...... Wait until Christmas, Hermione, you can accompany me to MIT, where there is a dedicated physics room, and I think I might be able to see the truth of the spell there. ”

"If you insist, I'm fine. But now that class seems to be over, it's time for us to go to dinner. Hermione shrugged her shoulders, took Albert's hand and walked down the hall.

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