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Just as Yolande said, the path of the iron ball was indeed a straight line.

The eyes of all the wizards in the audience were focused on the pendulum. Because the steel wire rope that bound the iron ball was very long, the iron ball did not swing back and forth very fast, but it was very regular, and it did not deflect as Lin En said.

Yolande waited for a long time but saw no change, so he looked at Lin and said mockingly, "Where is the phenomenon of the pendulum rotating around the disk that you just mentioned? Why don't I see it?"

“You were too impatient and didn’t observe carefully enough, so you didn’t see it.” Lin En sighed.

Yolande was very annoyed. He was not blind. Couldn't he see whether this thing was turning or not?

Just then, a cry of surprise was suddenly heard.

"It's off track. The running track is really off track!"

Several great wizards even stood up from their seats, staring closely at the sand table below the pendulum.

Where did it deviate? Yolande also looked in the direction of everyone's gaze, and was surprised to find that the track left by the needle at the bottom of the iron ball on the sand table was not a completely straight line, and there would be a slight deviation every time it went back and forth.

But this deviation is so small that it cannot be seen with the naked eye, and can only be judged by the trajectory left by the pendulum across the sand table!

thump...

With a slight muffled sound, the wooden bar representing one scale was knocked down by the iron ball, and then the pendulum knocked the wooden bar representing one hundred and eighty-one scales to the ground.

Whether it is the marks left on the sand table or the knocked-down wooden bars, they undoubtedly prove that the pendulum is indeed moving slowly, and it is not swinging around, but deviating to the left in a regular manner.

"The wind, it must have been the wind that moved it!" a wizard from the school of prophecy shouted.

Yolande also thought of this immediately, but before he could open his mouth, he heard Philip's mocking words.

"We are indoors, where does the wind come from?"

"Even if there is no strong wind, the air is still flowing, and even the slightest impact is still an impact!" Yolande said with his neck stiffened.

In short, he absolutely does not believe in something like planetary rotation, which is not magical at all!

“Masters, since Mr. Yolande has doubts, please turn this area into a vacuum,” Lin En suggested with a smile.

This time, it was Ogest who took action. He was also very curious about the interesting pendulum deflection phenomenon. So, according to Lin En's request, he extracted all the elements in the entire disk without affecting the pendulum as much as possible, forming a vacuum area...

Yolande held his breath and stared at the disc, eager to see any new changes in the trajectory of the iron ball.

Ten seconds... thirty seconds... one minute, the pendulum still steadily shifted to the left, and even the amplitude of each deflection was exactly the same as before.

Soon, the wooden bars corresponding to the two scales and the one hundred and eighty-two scales were also pushed to the ground.

"There's no wind now!" Philip said sarcastically.

Yolande's face turned blue and red, and he opened his mouth but couldn't say a word. He didn't use any magic, and there was no wind interference. So where did the force that caused the pendulum to deflect come from?

Is it possible that the so-called Coriolis force really exists?

As time went by, more and more wooden strips fell down. In the hall of the discussion meeting, the wizards who were originally sitting in their seats had gathered together, surrounding the high platform, just to observe this magical experiment up close...

"This is actually true, the continent beneath our feet is moving, it is really moving!" a witch screamed loudly.

"It's incredible! This is simply a miracle in the history of magic. We actually live on a planet that is constantly rotating!" Raphael said with emotion.

Chapter 140 Raphael: My brain is shaking!

Under the gaze of thousands of eyes, the swinging iron ball slowly knocked down the wooden bar representing fifteen scales.

The marks left by the pendulum on the sand table look like slender petals, revealing an ultimate beauty!

This is the engraving that represents the truth of magic!

Only then did Lin En point at the sand table, look at Yolande, and say jokingly.

"I think that's pretty clear, isn't it, Mr. Yolande?"

"This is the evidence you are looking for! The rotation of the planet is not without any influence, but this force must be amplified by the pendulum before it can be directly displayed in front of you and me."

Yolande sat on the ground with a pale face, staring at the iron ball that was still swinging without saying a word.

A wizard from the prophecy school beside him was shouting hysterically, "This is impossible, this is impossible! You must have cast a spell on the pendulum!"

As soon as these words were spoken, several great wizards on the scene couldn't help but frown, looking a little unhappy. Could it be that they couldn't feel whether there was magical fluctuation or not?

Lin En looked at those wizards of the prophecy school who were still unwilling to accept the facts, shook his head and spoke.

"The materials I used are not difficult to obtain, right? Anyone can perfectly replicate this experiment under the same conditions..."

"The truth is there, and it cannot be moved by anyone's will. The reason why this world has day and night is because of the rotation of the planets, and the change of seasons is related to the movement of the sun's direct point..."

Lin En stretched out his hand and used several water masses to simulate the orbital motion of celestial bodies. He gave everyone a unique astronomy lesson using the simplest words.

The wizards present were fascinated by what they heard. No theory had ever explained the changes of day and night, the four seasons, and the movement of the stars so clearly.

The mysterious veil of the world seems to have been suddenly lifted. Although what is revealed is only the tip of the iceberg, it is enough to make people feel shocked.

Even after Lin En finished speaking, the hall of the seminar was still so quiet that you could hear a pin drop, and everyone was immersed in thinking about the laws governing the movement of planets.

The silent silence lasted for several minutes. As more and more people came to their senses, thunderous applause broke out in the seminar hall. Some people even took off their hats and bowed to Lynn, while others shouted loudly to express their excitement.

"What a brilliant and irrefutable theory!" August also applauded and spoke in an appreciative tone.

The exquisite and regular star images shown by Lynn made Raphael's brain tremble, and countless inspirations flooded into his mind. If the seminar had not ended yet, he would have been eager to go back and turn his inspiration into sculptures.

"I knew you could do it, Professor Lin..." Philip excitedly walked up to Lin and hugged her. He had already seen the Silver Moon Medal waving at them.

Lydia, Elroc and others looked at Lynn with eyes full of admiration and longing. Pierce even fantasized about the day when he could be like Professor Lynn, expounding on his own researched magic theories under the spotlight of the crowd and receiving applause from the audience.

But their excitement was soon broken because Lynn spoke quickly.

"Lydia, Johnny, Elroc, and Peirce, why don't you record the movement of the pendulum and the time it takes to pass each tick? You should also know the length of the wire rope and the weight and circumference of the pendulum clearly. Draw its movement curve and calculate various data. This is your homework today!"

"Ah?" Pierce, who was originally immersed in fantasy, was immediately pulled back to reality, his face immediately drooped. Why is there such a thing as homework in Greenmill?

"Have you all written it down?" Alok quickly looked at the two witches beside him.

Lydia shook her head. She was staring at the swing of the pendulum and felt dizzy.

"I have recorded it. The length of the wire rope is sixty meters, the weight of the pendulum is thirty kilograms, the time for each deflection of one scale is five minutes and three seconds, and the swing period is..." Johnny revealed all the data he had recorded.

Alok and others looked at Johnny and were so moved that they almost cried.

You are literally our savior!

Compared to Lin En, who was the focus of everyone's attention and became the absolute focus of the venue, the wizards of the prophecy school all looked dejected. They spent more than a hundred years and expended countless energy to observe the movement of the stars before they drew a perfect star map.

As a result, someone told them that this star map was actually wrong, and their efforts were in vain. What they were standing on was not a continent, but a rotating sphere...

Under such a huge blow, the wizards of the School of Prophecy were almost on the verge of collapse. For a moment, it seemed as if the whole world was about to collapse!

"Cheer up, everyone. We haven't lost yet. This pendulum experiment only proves that there is a strange force affecting the movement of the iron ball." A witch from the prophecy school stood up and spoke firmly.

"But apart from the Coriolis force, what else can affect the movement trajectory of the pendulum?" Yolande was almost in despair. After all, such a big pendulum was just there, and Lin En did not cast any magic on it.

"Have you all forgotten? Lord Harof is studying a theory of gravity using the star data we provided. If there is any force that can affect it, I guess it must be gravity!" the witch said loudly.

Upon hearing this, Yolande and other wizards from the prophecy school were suddenly inspired and immediately regained some confidence.

Yes, if their research was wrong, then how could the legendary wizard Lord Harolf discover the mystery of gravity from the data of these stars.

Could it be that even the great legendary wizard cannot see these mistakes and omissions?

Yolande knew clearly that Lord Harof's research had reached the most critical moment. It was a great theory that could change the entire magical theory of the wizarding land!

After all, this involves the mysteries of space and time magic!

Just as Yolande and the others were thinking about it, the door of the magic seminar was suddenly opened.

No, "open" is not quite the right word. In order to ensure that the progress of the seminar is not disturbed, the door had been locked long ago.

And now, the doors on both sides have fallen to the ground with a loud bang...

Chapter 141 It seems that you are no longer suitable to host the next seminar!

The sudden and violent sound of banging on the door immediately attracted the attention of all the wizards present.

Raphael was even more annoyed. Who was so bold as to barge into the seminar so rudely?

Could it be that those wizards from the doomsday sects are going crazy again and trying to disrupt this academic seminar?

Raphael looked towards the door in anger, but he saw a figure that surprised him greatly—a wizard with messy hair broke in.

The legendary wizard Harolf.

Raphael's anger was immediately extinguished. He couldn't control this adult.

The prophecy schools gathered around him as if they had seen a savior, and one witch even shouted excitedly, "Lord Harov, that Lin En from outside the wizard land just now actually questioned the star map data that we spent hundreds of years researching. This is even more questioning your theory of gravity!"

However, Harov was too lazy to listen to what they were saying. When he heard the word "Lin", he shouted impatiently. "Where are they? Where is Lin?"

"He is on the podium now...the young wizard with brown hair!" the witch said loudly.

Harof pulled the witch who was blocking the way aside, and the wizards who had gathered in front of the platform also quickly retreated.

Seeing that Harof was in such a hurry to find Lin En, and a group of wizards from the School of Prophecy were following behind him, the expressions of several great wizards on the field were vaguely uneasy.

Could it be that this legendary wizard is really here to cause trouble?

Raphael was the first to stand up, standing in front of Harov with a headache, and said in a tactful tone, "Lord Harov, Mr. Lin En has just proposed a very important new theory that concerns the entire theoretical system of the wizarding land. We are considering submitting a nomination for the Silver Moon Medal to the parliament..."

Raphael did not speak out to stop him directly, but pointed out the Silver Moon Medal. This was a big matter that was enough to alarm the other Speakers, so he asked Harof to be careful.

Even if there are conflicts, they can be resolved through words...

"Silver Moon?" Harrov paused. He did not listen to the previous seminar and thought that Lin En was explaining the law of universal gravitation. He looked at several great wizards and a look of dissatisfaction appeared on his face.

The law of universal gravitation will become the foundational theory for all future space magic. This is definitely a significant achievement in the history of magic!

In the end there is only one Silver Moon Medal?

It wouldn’t be too much to just give him the Corona Medal!

Raphael and others couldn't even see this. He strongly doubted that these people were no longer suitable to host the next seminar!

"You should report the nominations for the Order of the Corona directly to the parliament in my name!" Harov said without hesitation.

Huh? Raphael and the others almost doubted whether they had heard it wrong. The wizards of the prophecy school, who had just raised a glimmer of hope, were dumbfounded.