章 21: Gravity
"I'm sure that all of you have read the book and are acquainted with gravity, am I right?" asked the old man as he got up from his chair.
Hearing the silence coming from the crowd, a smile appeared on the face of the old man.
"If you just want to increase the power of your ballistic spells, that's all you, what I'm about to try to teach you doesn't really matter, gravity is the force of attraction between objects based on their mass, that's the explanation the book gave you right?" asked the old man.
"Yes," responded a brave student sitting at the front desk, causing a smile to appear on the face of the teacher.
"Good, since that is true, then why does gravity increase depending on the concentration of elemental energy?" asked the old man, causing a surprised expression to appear on the faces of nearly all the students, including Beatrice.
"It's true," mumbled Beatrice as she remembered the heaviness she first felt when she arrived in the zone with increased elemental energy, back then, she had thought that was the elemental energy itself weighing down upon her.
"Is it the weight of the elemental energy?" asked another student, causing an angry expression to actually appear on the face of the old man.
Hearing what the student said, an angry expression appeared on the face of the old man,
Ignoring the urge to bash the head of that certain student in with his, fist, the old man continued.
"The reason the concentration of elemental energy can greatly increase the gravity of an area is quite simple, gravity is not a force, rather It is the curvature of space caused by matter and energy," said the old man, causing a large number of students to scratch their heads.
"While mass works well, elemental energy, in fact, most effectively curves space, as such, it can increase gravity to extremely unimaginable levels," said the old man.
Suddenly, the old man noticed a girl sitting in a corner with her left hand up.
"What?" asked the old man.
"If that's true, then why does the concentration of elemental energy cause us to be pulled towards the ground, wouldn't it rather pull from the ground," asked Beatrice as she spotted a rather obvious flaw in the words of the teacher.
Hearing that, a smile appeared on the face of the old man.
"Little girl, there are two reasons what you said doesn't happen, the first of which is Concentration, although a larger amount of elemental energy is sitting above us rather than below, the elemental energy in the ground is much more concentrated, and can affect gravity much more effectively," said the old man before letting the students think for a moment.
"Although concentration does have some effect, alone, this would not have been nearly enough for it to counteract the gravity of the elemental energy above, after this, something else comes into play, the elemental energy of our world is mirrored," said the old man, causing some confusion to appear on the face of the students.
Suddenly, a small sphere appeared in the hands of the old man, causing something to click in Beatrice's mind.
"As some of you may have guessed from my words, our world is, in fact as a sphere, and on this sphere, the concentration of elemental energy is mirrored from side to side, and as such, the amount of elemental energy 'below' you is much much greater than above you," said the old man, seemingly happy that he got his point across.
After answering some more questions for a few moments, the old man seemingly returned to his former self, reading from the book and answering questions in a standard manner, but at this time, Beatrice's mind was thinking about other things.
"A sphere," mumbled Beatrice as some thoughts stirred inside of her mind.
After ending the lesson, Beatrice walked out of the classroom with a zombie-like expression on her face, burying her head into the physics book as she walked back to her room
Several hours later,
Looking at the messy equations occupying several pages of her notebook, Beatrice couldn't help but take a deep breath before closing it.
"I need to not be obsessed," mumbled Beatrice before getting up from her bed and wanting to practice the Dark Bolt, but as she was halfway there, Beatrice suddenly stopped in her tracks before going back onto her bed.
After sitting comfortably on her bed, a book suddenly began floating from under it and into her hands.
"That was somewhat easier than before," mumbled Beatrice before opening the spellbook and going to the sixth page, completely ignoring the Dark Bolt spell.
Even though she wanted to practice it, as soon as Beatrice thought about how much the spell had to do with physics, Beatrice knew that diving into it right now wasn't a good idea, as such, she went on to the second most basic spell for her to learn.
The Dark Barrier
Looking at the spell, which seemed much more simple than the Dark Bolt, Beatrice had a lot of confidence in herself.
...
The next day,
As Beatrice was reading the Biology notebook Mr. Eroll had left behind for her, she suddenly raised her head before sighing.
Suddenly, a transparent dark barrier erupted around her, and a few moments after that, the barrier became more and more transparent, being barely visible, after that Beatrice turned her attention back to the notebook.
Three minutes later,
Raising her head again, Beatrice resisted letting her frustration get the best of her, and after a few moments, another Dark Barrier erupted around her.
The Dark Barrier spell has two different modes, the active and passive mode, whilst in the active mode, the Barrier can block attacks, whilst the barrier is in the passive mode, the barrier consumes a trivial amount of mana, if anything thing tries to attack Beatrice, the barrier while spontaneously change into active mode.
Although the spell itself was very simple and strong, as compared to attacking, defending was easier, mastering keeping the passive mode active all the time was something that Beatrice seemed to struggle with.
So much so that she ended up back here.
Looking at the door of Mr. Errol's room, Beatrice knocked on it, causing a voice to come from inside of it.
"Come in"
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