Chapter 161 Which Sect Is Bernoulli From?

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Dongfang Invincible was stunned for a moment. Usually, the believers spoke to her with utmost sincerity and fear, and they didn't even dare to lift their heads. Now, Song Qingshu actually gave her...

However, the anger in her heart was soon diluted by Yu Jianfei's surprise, her whole body was hanging on Song Qingshu, her eyes were wide open, looking at the blue sky and white clouds like a newborn baby, and the rapidly receding forest under her feet. Although her Qinggong is unparalleled in the world, she can't fly freely in the sky like this.

"If you can take me to touch the cloud, I won't care about your behavior... like that." Song Qingshu was trying to control the balance between the two, when the voice of Dongfang Invincible suddenly heard in his ears, looked up, She is extending her slender white fingers to point to a cloud not far away.

"What is there to touch with a cloud of saturated steam..." Song Qingshu grumbled, and still controlled the wooden sword to fly over there.

"I actually touched the cloud?" When Song Qingshu led her into the cloud, Dongfang Invincible seemed a little unbelievable, his eyes were blank, he reached out and touched it, but couldn't catch anything substantial. It just feels wet, extraordinarily illusory. "I always thought that clouds were soft to the touch, like cotton candy..." Thinking of the reverie that occasionally occurred when looking up at the starry sky, Dongfang Invincible felt that he was stupid at that time.

Suddenly, he felt a huge movement, and Dongfang Invincible was so frightened that he hooked his hands on Song Qingshu's neck again: "What happened?"

Song Qingshu was drenched in cold sweat and gritted his teeth, "I'm afraid we're going to... crash."

As soon as the voice fell, the two fell straight down. Song Qingshu only felt that the infuriating energy in his body was intermittent, and his body was also hot and cold.

He tried his best to control the speed of the descent, tried his best to start gliding, and staggered down several hundred meters. Song Qingshu could no longer control it, and the two fell directly to the ground.

Fortunately, after this period of time, Dongfang Invincible has recovered some of his internal strength. At this time, the height from the ground is not too high. She noticed that Song Qingshu's infuriating qi was disordered, and quickly let go of the hands that were hooking his neck, and hugged him with her backhand. In his arms, he noticed that there was a pool of water below, and he used his internal force to keep hitting the water with his palms, using the anti-vibration force to counteract the tendency of the two to fall.

However, the force of the two fell more than a thousand kilograms. Feeling the anti-shock force from the water surface, Dongfang Invincible spit out a few mouthfuls of blood.

Song Qingshu woke up from the coma and found himself lying on the gravel stall. He heard the sound of water nearby, followed the sound and walked over, only to see Dongfang Invincible sitting on a rock on the shore, lifting the hem of his dress. , a pair of crystal clear white calves soaked in water, there is a long and narrow opening on it, blood is constantly seeping out, Dongfang Invincible is holding a handkerchief and gently wiping the wound around the wound.

The water surface was sparkling, and Song Qingshu couldn't see it for a while, but felt that the skin on Dongfang Invincible's calf was more dazzling than the lake surface.

Dongfang Invincible quickly noticed his arrival, naturally lowered the hem of his dress, and stood up: "Are you awake?"

"I'm really sorry that you suffered such a skin injury." Song Qingshu glanced at her calf with a look of apology.

"What is this little injury?" Dongfang Invincible shook his head indifferently, "You have given me enough surprises today, you should tell me how to achieve Yujian flying." Thinking of two Dongfang Invincible was a little crazy for a while when people roamed the sky with the kind of leisurely walking in the wind.

"It's okay to talk to you, but I'm afraid you don't understand." Song Qing wrote hesitantly.

Dongfang Invincible's face froze when he heard the words: "In the world of martial arts, even if I am not the first, I will be in the top three, you think I will not understand?"

"Well, listen carefully," Song Qingshu explained slowly with a playful look on his face: "When I hold you and step on the wooden sword to fly, the airflow in the air will bypass the lower surface of the wooden sword, and The upper surface moves, the lower surface of the wooden sword is a flat surface, and the upper surface of the wooden sword is me and you. Just now I deliberately controlled our body and the sword body to maintain a streamlined angle, so that the speed of the airflow passing through our body is much greater than that under the wooden sword. The speed of the surface, according to aerodynamics and Bernoulli's theorem, is also the fluid flowing over a certain surface. The faster the speed, the lower the pressure on the surface. Therefore, when the air flows through the lower surface of the wooden sword, it has a negative effect on the wooden sword. An upward supporting force, and this force is greater than the downward pressure on the wooden sword when the air flows through the upper surface of the wooden sword, which just offsets our own weight, so we can fly with the sword."

It turned out that when Song Qingshu was on the Blackwood Cliff, when he flew over the lake, he realized that as long as the speed was sufficient, the stones could float on the water surface, and he had been thinking hard about how to use the power of the water to truly cross the river with one reed.

Originally, his thinking stayed in the category of martial arts, hoping that he could fully understand the power of water. As a result, the more he thought about it, the more his head hurt. Until one day, a light flashed in his mind, and he thought of the principle of plane flight in his previous life. His company has done an aircraft project. When he was researching related materials, he had some experience in it, and then he thought of using aerodynamics to solve the problem of Yujian flying.

"Aerodynamics? Bernoulli's Theorem?" Dongfang Invincible frowned and asked in confusion, "Which martial arts secret book is this, why have I never heard of it?"

"This?" Song Qingshu was stumped at once, so he had to say, "This is the secret book of the physics school in the extreme west, and naturally no one from the Central Plains has heard of it."

"Physics?" Dongfang Invincible fell into contemplation, suddenly raised his head and asked, "According to what you said, we can fly

Does it have something to do with speed? "

"It's a pity that you don't study physics," Song Qingshu gave her a surprised look and nodded, "Yes, you can simply understand that the greater the speed, the greater the lift the air will give you."

"Oh~" Dongfang Invincible's eyes were full of excitement, and he looked up at the sky, "Isn't that as long as my speed is high enough, the lift the air will give me will be far greater than my own weight, so I can keep going up and do it? The legendary feathering and ascending to immortality?"

"You're thinking too much." As a modern person who knows that outside the earth is a lonely universe, Song Qingshu doesn't quite understand why Dongfang Invincible is so interested in things like immortality, "When the speed of flight exceeds the speed of sound, , the air will become viscous, and you must consider the Reynolds number, which is not as simple as what I just said... Of course, if your speed can reach the first cosmic speed, it is not impossible to emerge and ascend to the immortal, but in During the flight you are burnt to ashes by the friction of the air."

Dongfang Invincible heard the fog in the fog, and said angrily: "Then tell me directly, is it impossible to become an immortal?"

"It's really unlikely." Song Qingshu nodded and made a regretful expression, "Uh, I think you might as well care about your soaked clothes instead of this ethereal thing."

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