Enemies At Reach

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“This book …”

Baili Qingfeng flipped through the books.

Forces, common types of forces, force synthesis, force decomposition …

“It’s not electromagnetic related knowledge, but I can’t be partial … otherwise, it will inevitably affect the final results, even if this knowledge is not what I want, I have to endure reading it.”

Baili Qingfeng pursed his lips and continued to look.

Force Interaction, Friction, Static Friction, Friction Factor, Synthetic Force, Heart Force, Vibration and Resonance …

“This is Interesting.”

Baili Qingfeng saw it suddenly stopped like chewing chicken ribs.

At the beginning of the 9th century, a neat army stepped over a stone bridge and stepped down a bridge by resonance.

“Amplitude, period, frequency, natural frequency … resonance …”

Baili Qingfeng looked at the description in the book.

A country woman played the flute, but caused the caterpillars on the Fruit Tree to die, because the flute transmitted vibrations to the caterpillars through the air, causing the caterpillars to make forced vibrations. Due to the similar frequency of the two, the caterpillar viscera caused Resonance rupture causes death.

“If you can research this, maybe you can create a fist technique and secret method that uses vibration waves to cause the internal organ resonance of others within the body and tear its internal organs.”

Baili Qingfeng itself has a good physical foundation. To create a secret method based on the principle of resonance, you have to understand vibration waves.

There are many types of vibration waves. Without mentioning the fundamentals of shear waves and longitudinal waves, we must also understand the wave period, wavelength, and wave speed. The relationship between the three can be indicated by υ = λT.

This simple formula is applicable to both electromagnetic waves and light waves.

After watching some waves, Baili Qingfeng quickly saw something else of interest.

Sound waves.

Most media in the world can transmit sound waves, but different media have different speeds.

For example, the sound velocity of air is 332 meters per second, the water reaches 1450, the copper is higher than 3000 8, and the iron reaches 4000 9, but Baili Qingfeng is interested in these because of the rules of sound vibration.

Regular and periodic vibrations can be called music. They are peaceful and pleasant. Irregular and periodic vibrations can only be noise, which is crazy.

But this statement cannot be generalized.

After all, music also has tones, loudness, and timbre.

“Sure enough, the people of hobby music still have to learn more about physics so that they can see the essence of music.”

Baili Qingfeng finally gradually read this book with keen interest pleasure.

A brand new door was slowly opening to him.

……

Shuiyun Yayun.

After a week, Baili Qingfeng came to this instrument store again.

This time, there are no other guests on the second floor except Gu Lingying, Qin Lanshan, and Yunsheng Yan.

“Qingfeng little brother, you are here.”

Seeing Baili Qingfeng, Qin Lanshan was the first to greet him: “My dad listened to your music and thought you were very talented. He wanted to see you, can’t he?”

Baili Qingfeng thought about it, and responded: “Yes, here next time.”

“Okay, Qingfeng little brother, let’s just say so.”

Qin Lanshan said happily.

“Qingfeng Senior, I wonder what do you think of pop music?”

Gu Lingying asked with a smile.

She is wearing an antique dress today, with a white wing hair clip on her head, soft hair that naturally falls off her shoulders, and a sapphire belt tied to her slender waist, which looks pure and elegant.

“Actually, I don’t think music needs to distinguish between many types of pop music, classical music, electronic music, and dance drama music. As long as it can sound good and move people’s hearts, it is all good music.”

Baili Qingfeng said.

“Yes, as long as it’s nice, regardless of type, I like to listen.”

Qin Lanshan said with a smile.

Then listen to the song, play the piano, play the flute, chat, and discuss some related knowledge. The day passed quickly.

Gu Lingying glanced at Baili Qingfeng when he was about to be different, and seemed to be a little bit restless.

A moment later, she came forward and said, “Qingfeng Senior, I would like to ask you to do me a favor. I don’t know if you have heard of the music program” Tian 籁 “.”

“TV Music Show …”

Baili Qingfeng thought about it carefully: “The last time I watched TV … it seemed like a few months ago, there was news at home …”

Aside from Qin Lanshan, she was a little bit unbelievable: “Qingfeng little brother, ‘Tian 籁’ is the best and most popular music program in the whole of Si Ya. You in the industry don’t know?”

“People in the industry? Singing is just my hobby, I’m not in the industry.”

Baili Qingfeng honestly said, “As a student, I spend most of my time reading books.”

“…”

Qin Lanshan heard Baili Qingfeng’s reason, but she did not know how to refute it.

Students, indeed, should study hard.

“But you have something to say. I’ll see if I can help.”

“That’s it. I am a Senior Sister Su Weiwei. She should have been No. 4 in Tian Tian because the internal operation only won 3th, and the top 2 didn’t enter. She plans to hold a small pop concert to prove herself. Teacher, after learning of this event, strongly supported and recommended us 1 guests to perform smile proudly throughout the country and cooperate with Heaven and Earth, but … I don’t know if Qingfeng Senior has time. “

“I’m just an amateur music hobbyist. This kind of occasion will definitely be nervous, forget it.”

Baili Qingfeng said.

“Like This……”

Gu Lingying was a bit lonely.

But Qin Lanshan got together, and Chu Chu said pitifully: “Qingfeng little brother, you promised, okay, help Sister Weiwei, you do n’t know, the” Tianyi “in the first 2nd 3rd, far Far from being Sister Wei Wei ’s opponents, but relying on internal operations, she wiped out Sister Wei Wei ’s first place. It was really irritating. Sister Wei Wei wanted to avenge Snow, and the concert It ’s not a concert. There are not many people. The invited audience is less than 2 100 people. Most of them are well-known people in the circle. They are music lovers and people who understand music.

Yunsheng Yan on the side thought for a moment, and then said aloud: “Wei Wei’s girl is really very talented. It would be a shame if she was so depressed.”

Baili Qingfeng glanced at the 3 people, and finally his eyes paused on Gu Lingying for a moment, hesitating a bit: “According to your statement, this is the battle of sermons of your Senior Sister Su, if I don’t play well … “

“Qingfeng Senior, I believe in your standards.”

Gu Lingying looked at Baili Qingfeng with confidence.

“Yes, Qingfeng little brother, you can do it.”

Qin Lanshan shook his fist and encouraged.

“Well.”

Baili Qingfeng responded and said to Gu Lingying: “Let’s cheer together.”

“Yes, come on together, we can practice more if we have time.”

“When it comes to practice, I have recently gained some new understanding of music and discovered a lot of new knowledge. These knowledges are all treasures, but I am still recording them. When they are finished, I will show them to you. . “

Baili Qingfeng said.

“Wow? Is it a music cheat? You can become a Music Master after watching it? I want to see it now.”

Qin Lanshan quickly gathered up and brought a girl’s fragrance.

Not only Qin Lanshan, but Gu Lingying and Yun Shengyan also couldn’t wait to get up.

Baili Qingfeng saw several people full of interest and did not hide.

“That being the case, I’ll show you my new baby.”

while speaking, he took out a copy …

Shire University physics textbook.

“Look, this book of physics is invaluable. I recently researched physics and found that the study of sound waves can produce different insights into music. I understand the nature of music moving more thoroughly. Let ’s study it. Just look here … “

——

(Sea of ​​Learning, No Horizon, the older you get, the more you learn, the more you master, the more you really have time to read the book. Regardless of the type, this is a kind of spiritual enrichment, of course, provided that you finish your work every day There will be time later.)