A Man of Science and Engineering in Troubled Times Wandering in the Late Qing Dynasty

Chapter 371

There are a few young people at Eton who are quite outstanding, such as a man named Mosley.

Many people may not know this name, but he was the key person who first discovered the atomic number.

Since then, Mosley has worked as Rutherford's assistant and also worked with Bohr.

But it is a pity that Mosley died young. During World War I, he went to the front line as a signal soldier despite his family's opposition, and died on the battlefield at the age of 27.

If he can live another year or two, he has a good chance of winning a Nobel Prize.

Mosley also admired Li Yu, and his favorite subjects at Eton College were mathematics and physics.

For this kind of young genius, Li Yu can only encourage him as much as possible.

From ancient times to the present, there have been many talented young people in science, both at home and abroad.

Li Yu was quite touched, and turned around to dig out the young people in China.

In his previous era, due to years of wars in the country, there were no such good conditions. Since he has traveled through time, he must save a few more geniuses buried in history and time no matter what.

Of course it is in the field of science. During the period of the Republic of China, there were countless masters in social science.

It took Wilson more than ten days to barely make a cloud chamber that can take pictures, but it is still very simple and the sensitivity is relatively average.

The development of experimental equipment must be a big trouble, so we can only use it first.

Anyway, it will take many years for the cloud chamber to play a real role.

While Wilson was improving the cloud chamber, Li Yu was not idle and completed the underwater test with Rutherford.

Since it is only for the discovery of cosmic rays, there is no need to consider too many known phenomena in Li Yu's mind for the time being.

When the electroscope is placed 15 meters underwater, the ray signal can still be received, which has already explained the big problem.

In order to eliminate the influence of the water, they drove to many places, even the water in the cave.

Rutherford's research on radioactivity was very in-depth, and he knew that this was enough to explain the extremely high intensity of unknown rays.

Rutherford exclaimed: "Where did it come from! What in the universe has such powerful ionizing radiation."

Rutherford is quite professional. To put it bluntly, cosmic rays are actually ionizing radiation.

But as for where the cosmic rays come from, well, even before Li Yu crossed, it was still an unsolved mystery.

The reason is easy to explain, because cosmic rays are mostly charged (except gamma photons and neutrinos), and most celestial bodies in the universe have magnetic fields.

Those who have studied physics in middle school must understand that the magnetic field will affect the trajectory of charged objects, so when cosmic rays travel through the universe, they will be affected by various massive celestial bodies.

When they finally arrived on the earth, they didn't know where they came from, and even the most basic direction could not be determined, so let's talk about the source.

It is also possible to determine the source of uncharged gamma photons and neutrinos.However, their content in cosmic rays is extremely small, and very sophisticated instruments are required to detect them.

— This is not at all a question that should have been considered at the beginning of the twentieth century.

In fact, Li Yu wanted to study cosmic rays because it is rather special. It can be said that it is a purely physical field, and its impact on industry is minimal.

But the importance of cosmic rays is not low. After all, it involves the very key field of particle physics in physics, especially the discovery of antimatter, which directly comes from cosmic rays.

The energy of cosmic rays is really high, and even the most advanced colliders of later generations cannot reach the energy of cosmic rays.

So cosmic rays were later used as natural colliders to study antimatter particles.

Facing Rutherford's question, Li Yu spread out his hands: "I'm afraid it's a bit difficult to know where they come from."

Rutherford asked: "The next time we raise the height of the hot air balloon to the limit of 5000 meters, maybe there will be new discoveries."

Li Yu said: "Just take the cloud room up, and with the photos, it can be used as valid evidence."

To be honest, 5000 meters is not very high, and it is within the controllable range of amateur flying enthusiasts.If it is higher, the requirements for hot air balloons and flight control will be very strict, and it must be possible for specialized meteorologists to do so.

But with the underwater data, they must look forward to the high-altitude data even more.

Because of the new equipment, Li Yu and Owen Richardson made several sets of data.

Lu Bicheng looked amusing, and wanted to play in a hot air balloon.

This was the first time for her to go to such a high sky, and she was very excited after taking the hot air balloon.

It is still very exciting within 2000 meters. If the weather is good, you can even see the European continent in the distance.

But raising the height again is another concept.

The ultimate goal is 5000 meters.It was midsummer, Li Yu and Owen Richardson prepared thick clothes.

Lu Bicheng didn't understand, so he asked, "What are you doing with the leather clothes?"

"At an altitude of 5000 meters, the temperature will drop by about 30 degrees, which can basically be counted as winter," Li Yu said, "Why don't you follow along."

Lu Bicheng was playing vigorously, and immediately said: "What is there to be afraid of in winter!"

Owen Richardson said: "5000 meters is not a particularly dangerous altitude."

After hearing what he said, Lu Bicheng wanted to go up even more, because riding in a hot air balloon is really exciting.

Li Yu had no choice but to say to Richardson: "We only ascend to 5000 meters, and we must not go higher."

Richardson said: "I understand that the story of Glaisher is legendary in the entire meteorological community, but it is also a cautionary tale. I am not that good at technology."

Richardson said that Glaisher was a British meteorological researcher more than 40 years ago. He once flew to an altitude of 12000 meters in a hot air balloon with another assistant without oxygen supply and protective clothing protection.

It was this experience that taught humans how temperature changes with increasing altitude.Later generations once had a movie dedicated to this dangerous adventure.

For now, 5000 meters is still a relatively mature height.

After getting ready, several people started to lift off on a sunny morning.

It was okay at the beginning, and the data recording was relatively smooth.

For example, when the degree of ionization decreases at about 700 meters, the ion pairs in the cloud chamber obviously begin to decrease.

It can be seen as a reduction in radiation from the surface.

But at 800 meters, the degree of ionization began to increase again;
At 1000 meters, the degree of ionization is basically the same as that on the surface.

These have been perceived by electroscopes before, but they are not so obvious.

However, this trend already shows that the radiation does not come from the surface.

The next step is to rise to the highest 5000 meters.

It was pleasant at first, especially when passing through some clouds, which was quite exciting.

But when the altitude reaches 5000 meters, it is a completely different concept. First of all, you need to wear thick clothes.

This was fine, but Lu Bicheng suddenly started to lack oxygen.

The oxygen content in the high altitude is not low, but the air pressure decreases, resulting in less oxygen each time you breathe in, so hypoxia symptoms will appear.

Lu Bicheng didn't understand this, but felt a little dizzy and heavy, while Li Yu and Richardson were still carefully collecting data.

When she persisted to an altitude of 5000 meters, she vaguely heard Owen Richardson excitedly say to Li Yu: "Look, the ionizing radiation is much stronger than the surface, almost several times!"

Although Li Yu already knew it, and even knew that the data would be more obvious when it was raised to [-] meters, but doing the experiment results by himself is still much more amazing than seeing it directly from the book.

The two hurriedly recorded data and kept photos.

And Lu Bicheng gasped for breath, finally couldn't hold on, and fainted to the side.

Li Yu looked back and turned pale with fright, rushed over to hug her, and asked Owen Richardson to lower his height.

Lu Bicheng's face turned pale, and it was difficult to breathe.

Li Yu immediately gave her cardiopulmonary compression, and Owen Richardson controlled the hot air balloon and said, "She is hypoxic and needs artificial respiration!"

Li Yu couldn't care less, supported her head, pinched her lips and began to blow.

Owen Richardson was still guiding loudly: "It's too fast! Just 10 times a minute, pay attention to her breathing rhythm!"

Li Yu even blew it for a long time, and the height of the hot air balloon dropped to 3000-[-] meters.

Lu Bicheng finally turned around a little bit, she slowly opened her eyes, and saw Li Yu kissing herself...

Instinctively, she raised her hand to push it away, but she didn't have the strength in her hand, she just stroked his face lightly and then fell down.

Li Yu said happily: "You finally woke up!"

The temperature also rose at this time, Li Yu reached out to help her unbutton her coat.

Lu Bicheng said weakly: "Taking advantage of...the danger...you...don't..."

Owen Richardson laughed and said, "The one just now was called artificial respiration. If it wasn't for him to help you recover, it would be very dangerous."

"Very dangerous?" Lu Bicheng murmured, and seeing that Li Yu really had tears in his eyes, he tilted his head and tried to sit up.

Owen Richardson has a lot of high-altitude flying experience: "It's all our fault. We didn't pay attention to your condition in advance, otherwise the altitude will be lowered at 3000 meters."

Lu Bicheng said softly, "Did I delay your work?"

Li Yu comforted softly: "There is no delay, it has been done, and all the data has been recorded."

Lu Bicheng supported his still heavy head and said, "That's good."

The hot air balloon descended slowly. When it reached the ground, Lu Bicheng had already recovered a little. In terms of physical fitness, she was actually not bad.

Of course, there is no necessary connection between altitude sickness and a person's physique. Some very strong people may have much stronger altitude sickness than children.

Li Yu helped her get off the hot air balloon. When outsiders were around, Lu Bicheng felt a little embarrassed, but her head was still dizzy.

Li Yu picked her up and put her on the passenger side of the car, before taking her to the hospital.

Fortunately, the situation is not very serious, the doctor just let her rest for a day or two.

On the way back, Lu Bicheng didn't say a word, and sat quietly in the co-pilot, his mind was full of seeing Li Yu doing artificial respiration when he was in the sky.

His face began to turn red unconsciously, and his breathing became a little bit worse.

Li Yu quickly asked, "Are you still feeling unwell? How about we stay in the hospital for a day?"

Lu Bicheng hurriedly turned his head: "No...no need...I, I'm fine."

Li Yu asked: "It's all my fault. I forgot to tell you that as the altitude increases, the temperature and air pressure change. Every 100 meters in the altitude will decrease by about 0.6 degrees, and the air pressure will also drop. This will affect the lungs and hemoglobin..."

Lu Bicheng said: "I see, I didn't blame you, I wanted to go up by myself."

Li Yu said: "I was really scared just now. You suddenly fainted at such a high place, and you didn't bring any oxygen equipment or treatment equipment. You were completely at a loss."

Lu Bicheng whispered, "You don't seem to be so at a loss..."

Li Yu said, "Don't mention it, it's the first time I've given artificial respiration to someone. If it wasn't for Mr. Richardson's guidance, I would have made a mistake."

Lu Bicheng asked: "He... didn't do it?"

Li Yu said: "No, I did it all. I was the first to find out that I didn't let go of holding you."

"Then... that's good," Lu Bicheng turned his head to the side: "Thank you..."

Li Yu laughed and said: "There is nothing to thank, as long as you are fine!"

Lu Bicheng grabbed the hem of his clothes: "It's okay, of course it's okay, and..."

"And what?" Li Yu asked.

"It's nothing." Lu Bicheng bit his lip.

Li Yu didn't dare to continue to ask more questions. He couldn't figure out the mentality of the girl in the late Qing Dynasty and the early Republic of China.

They are currently staying in a hotel in London, and Li Yu helped her back to her room. The door was opened by Konoe Zhaoxue, and the two of them still lived in the same upper-class suite.

Seeing Li Yu holding Lu Bicheng tightly while Lu Bicheng was still blushing, Jinwei Zhaoxue was startled and asked, "You..."

Li Yu explained: "Just came back from the hospital, the doctor said she needs to rest."

"Hospital?" Konoe Zhaoxue was even more confused.

Li Yu had no choice but to say: "She followed us to conduct a high-altitude experiment, and she developed symptoms of hypoxia. By the way, you still need to take care of her these two days."

Lu Bicheng pushed Li Yu away: "Sister Zhaoxue is enough, go back and see Mr. Richardson, don't you still have important data to sort out."

After Lu Bicheng finished speaking, he hurried into the house.

"=I will continue to see you tomorrow!" Li Yu said, and then looked at Konoe Zhaoxue, "Thank you, Miss Zhaoxue."

What else could Konoe Zhaoxue say, and he agreed: "Don't worry, I have also studied medical knowledge."

After Li Yu finished explaining, he turned and left.

Jinwei Zhaoxue immediately came to Lu Bicheng's room, she was putting her hand to her lips and meditating.

"Sister, are you okay?" Konoe Zhaoyuki asked softly.

Lu Bicheng came back to his senses: "I'm fine, but my head hurts."

Konoe Zhaoxue recalled the appearance when they came just now, coupled with Lu Bicheng's demeanor at this time, there is obviously something wrong, has there been any substantive progress?
Konoe Zhaoxue was also a little nervous, wishing he didn't go on the hot air balloon with him.

Looking at Lu Bicheng's rosy cheeks at this time, even she felt that there was a kind of beauty that I still feel pity for.

Konoe Zhaoxue had always thought that she was a chivalrous woman, but at this moment, her natural femininity could not be resisted by a vigorous young man.

Konoe Zhaoxue suddenly felt that his advantage was not so obvious.

Her observation ability is still very strong, and Lu Bicheng's lips seemed a little swollen, so she asked, "Sister, do you need some cold water for you?"

Lu Bicheng quickly said, "No need, sister Zhaoxue, I just want to take a good rest."

Konoe Zhaoxue asked, "Is it really not necessary?"

Lu Bicheng said, "It's really not necessary."

Jinwei Zhaoxue had no choice but to leave the room: "I'm in the next room, my sister can call me anytime she needs something."

Lu Bicheng said "hmm" and said, "I'm sorry, my sister."

(End of this chapter)