Resonance refers to the situation in which a physical system vibrates at a greater amplitude than other frequencies at a specific frequency. These specific frequencies are called resonant frequencies. At resonant frequencies, small periodic vibrations can produce large vibrations.

What we see on TV shows is that a glass can be smashed with sound waves, not because of how loud it is, but because the vibration frequency of the sound wave is in agreement with the natural frequency of the glass, and the energy generated by the resonance breaks the glass.

At the beginning of the 19th century, a group of Napoleonic soldiers, under the command of their commander, marched in a majestic and uniform stride across a bridge. When they were about to reach the middle of the bridge, the bridge suddenly shook violently and finally broke and collapsed, causing many officers and soldiers and citizens to fall into the water and die.

After investigation, it was found that the main culprit of this tragedy was Resonance! Because when the soldiers of the brigade walked in unison, a frequency produced was exactly the same as the natural frequency of the bridge, which strengthened the vibration of the bridge, and when its amplitude reached the maximum until it exceeded the pressure resistance of the bridge, the bridge broke.

In the same way, once the frequency of the twenty-four girls dancing on the glass bridge and the natural frequency of the glass bridge form a resonance phenomenon......

Squeak——!

There is no doubt that the glass bridge will shatter completely.

Falling from a height of 723 meters above sea level, not to mention nine deaths, it is simply ten deaths!

It doesn't seem like anything is going on now, and that's because the frequency of their movements hasn't matched the natural frequency of the glass bridge. It's hard to say when the frequency will be right, and it's too late to say anything.

For his own safety and the safety of others, Cheng Nuo felt the need to remind these girls who had died.

"Stay where you are, don't move, I'll go and go back." Cheng Nuo instructed everyone and walked on the glass bridge alone.

Cheng Nuo strode up to the young girl who was leading the dance, and the deafening sound of C miles and miles in his ears made him frown.

"Hey, can you please let me go, we're recording a video here?" Zhao Meng said to Cheng Nuo who was blocking in front of him.

Zhao Meng is the organizer of this grave jumping event. On the street, in the square, and in the dance studio, dancing C mile C mile C mile can no longer satisfy their desire, so they organized a group of friends to come to the famous landscape glass bridge in this green city to have a unique performance. By the way, post the video of the performance online to earn clicks and traffic.

Seeing a teenager wearing a mountaineering suit blocking in front of her, interfering with the recording of the video, she was naturally angry.

"Beauty, can you please let your people stop first. Cheng Nuo persuaded him with good words, "It is dangerous for you to do this." Glass can easily shatter. ”

"Broken?" Zhao Meng smiled. "Handsome, you don't think the glass here is the same as the glass in your windows. ”

"Don't worry, even if you use this glass, it won't break even a bit!"

As he spoke, Zhao Meng really jumped on the glass a few times. "You see, it's nothing. ”

Cheng Nuo's face was black.

Obviously, Zhao Meng regarded Cheng Nuo as a dirt bun that saw the glass bridge for the first time.

Cheng Nuo opened his mouth and continued to explain, "Beauty, I didn't mean this. Resonance! Resonance, have you heard of it?"

"Resonance, what is that?" Zhao Meng looked confused.

Cheng Nuo looked at the girls who were still bouncing on the glass bridge in horror, and concisely explained the dangers of resonance.

Zhao Meng stared at Cheng Nuo with a look of "I don't read much, don't lie to me". "You...... You can't lie to me, right?"

Zhao Meng was confused about what "natural frequency" and "resonance frequency" was, and he didn't believe Cheng Nuo a little. However, having said that, Cheng Nuo did not need to lie to himself.

Alas!

Cheng Nuo looked like he hated iron but not steel, took out his mobile phone, swiped and entered the content he wanted to search, clicked on the video, and showed it directly to Zhao Meng.

Zhao Meng leaned his head over.

The video is only ten seconds long.

In the beginning, it was eight or nine girls dancing on the same glass bridge as them. However, the glass bridge in the video is between two towers, not halfway up the mountain.

I saw that several foreign girls in the video began to bounce to the music. Although the music played is not C mile C mile, the rhythm is similar to C mile C mile.

Zhao Meng was very curious and didn't understand what the meaning of Cheng Nuo letting him watch this video was.

The next moment, after a certain syllable fell, eight or nine girls did the same action in unison.

Crunch-squeak-squeak-bang——!

A series of voices sounded, and each time, Zhao Meng's face lost a bit of blood.

The glass bridge in the video seems to have been hit hard by some strange force, shattering from the center to the periphery.

In the end, with a bang, the entire glass bridge collapsed in the air, and the nine girls naturally fell with the glass bridge.

Like half of a firework, the broken glass crystal reflects an incomparably brilliant brilliance under the sunlight, which is dazzling. But at this moment, Zhao Meng felt a chill down his spine.

A trace of cold sweat had soaked out of Zhao Meng's palms, and his face was pale and terrifying.

Falling from such a high altitude, the fate of the nine girls in the video naturally goes without saying.

She trembled her lips as she looked at the sisters who were still bouncing on the glass bridge, and shouted with all her strength.

"Stop!!Stop it all for the old lady!!"

Zhao Meng's hoarse voice really made all the sisters stop their movements and look at Zhao Meng puzzled.

"Sister Meng, what's wrong?" a tall beauty walked up to Sister Meng and asked.

Cheng Nuo glanced at the tall beauty. The appearance can be at least eighty points.

"Height 172 cm, weight 58 kg, chest 99.24 cm, waist 63.54 cm, hip 95.24 cm ......"

Stature...... Need!

Zhao Meng trembled his calves and didn't speak, obviously still afraid.

Cheng Nuo was very kind to show the ten-second video to the tall beauty.

After reading it, the tall beauty also turned pale, her calves and stomach were weak for a while, she stumbled, and almost didn't stand firm.

"Beauty, it's okay. Cheng Nuo was very kind to hold the big beauty around his waist, as for physical contact or something, it's not impossible!, right?

Hey, there aren't many helpful young people like her!

"It's okay, it's okay. Thank you. The tall beauty patted her chest for a while, and she didn't seem to care about Cheng Nuo's oil.

In line with the principle of helping others, Cheng Nuo showed this short ten-second video to twenty-four girls, and no one watched it.

Outcome...... Naturally, they were so frightened that their calves and stomachs trembled, and they almost couldn't stand up.

And this kind of operation!

They didn't expect that they would almost push themselves into the abyss because of the resonance.

Resonance!

These two words, I am afraid they will never forget in their lives.

The lack of culture limits their imagination......

..................

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