1840Indian rebirth

190 【Perpetual motion machine】

"Thank you for the reminder, Professor." Ma Shao smiled.

Professor Smith said no more and led several people to the residence arranged for them by Cambridge University.

As one of the world's top universities, the living conditions at Cambridge University are naturally very favorable. Ma Shao even tasted tea imported from the Qing Dynasty here.

And it was not just any imported tea. The Chinese characters on the packaging made Ma Shao fascinated for a moment.

"Yihexing..." He muttered these three words silently.

“The tea from Jardine House is the best in the world.” Thomson doesn’t understand Chinese, but he obviously knows Jardine House.

"It's rare that Cambridge University is so generous. I have never been treated like this before." Joule carefully took the freshly brewed tea and couldn't help complaining at the same time.

Thomson smiled and said: "Haha, you are almost becoming a member of the Royal Society."

"Ma Shao, what's wrong with you?" He noticed that Ma Shao's expression seemed a little strange.

"Nothing." Ma Shao said perfunctorily, looking away from the Chinese characters.

Thomson's brows moved slightly: "Do you understand Chinese characters?"

Ma Shao hesitated for half a second, then smiled: "I know a little bit. In fact, I have learned many languages, English is one of them, and Chinese is also one."

"Really?" Thomson and Joule asked in surprise, "Show us your skills. To be honest, I'm a little curious about how you speak Chinese."

"Let's talk about it later. Our first priority now is the next meeting." Ma Shao said.

Soon, with the arrival of various physicists, this academic conference kicked off at the University of Cambridge.

The meeting was held in a large auditorium. The magnificent auditorium was filled with scientists from the UK and even Europe, as well as teachers and students from the University of Cambridge, as well as some reporters. There were thousands of people in total.

In an era without microphones, such a scene was obviously extremely unfriendly to the speaker.

Among the thousands of people present, sitting in seat C was undoubtedly Michael Faraday, a thin old man with gray hair and heavy bags under his eyes.

Looking at Faraday surrounded by people, Ma Shao suddenly thought of a photo from later generations. It was also a scene of an old physicist surrounded by a large group of people, but the protagonist was Yang Zhenning.

Originally, nascent thermodynamics was only one of the topics at this academic conference, not even the most important topic.

But since the whole of Britain was discussing Ma Shao, one of the founders of thermodynamics, discussions other than thermodynamics were inevitably ignored. It could even be said that almost everyone was waiting for the Indian to come on stage to speak.

This was especially true of McIntosh, in fact that was why he was at the meeting.

He wanted to see if the Indian who had humiliated him was actually a disgraceful academic charlatan—preferably.

"Oh, it's finally his turn, that Apache." A burst of discussion rang out, cheering up McIntosh, who was sitting almost in the back row, and looked at the podium at the front of the auditorium.

"Let us welcome Mr. Mashao." Professor Smith presided over the meeting.

There was mild applause in the auditorium, and more people spent their energy stretching their necks to see clearly the appearance of the Indians walking towards the podium.

Unfortunately, many people did not see some of the scenes they imagined, such as a savage wearing animal skin clothing.

At this time, the horse whistle was completely dressed like a British gentleman, wearing a neat black dress. If his skin color were not different from other participants, he looked like a young teacher teaching here.

"Ladies and gentlemen..." Ma Shao made a joke as soon as he opened his mouth.

This is a very common opening statement, but the problem is that there seems to be no lady here.

This was an academic conference, and it was a very important academic conference. In 1848, it was almost impossible for a woman to appear on such an occasion.

There was some laughter in the auditorium, but the whistle paid no attention.

"Not long ago, my friends and I proposed the name 'thermodynamics' in our paper as a name for a new discipline. Maybe some people are dissatisfied with this, and I can totally understand it. After all, this discipline is so immature.

Like a baby…”

Faraday, who was sitting in the front row, couldn't help but smile when he heard this. After all, more than ten years ago, in a similar scene, he also compared his discovery in the electromagnetic field to a baby.

"Although thermodynamics is as immature as a baby, I believe that the birth of this subject is inevitable for the development of physics, and it will also grow into one of the most important branches of physics, like mechanics and electricity." Mashao continued to talk.

.

"In fact, the gestation of thermodynamics has been going on for a long time, especially in recent decades, with the discovery of Earl Rumford, people have gradually realized the nature of heat..."

As a physics teacher, for him, standing on the podium and talking about physics is simply an instinct, just like eating and drinking.

After a while, he was completely in the mood, talking nonstop, and even had a professional habit.

"Look at the blackboard." After writing a few lines of formulas on the blackboard, Ma Shao knocked on the blackboard, making the professors in the audience look at each other.

"He seems to regard us as students..."

"What an arrogant guy!" Some old professors couldn't help but feel annoyed, "No one dares to talk to me like this!"

"To be honest, I think he spoke really well. After listening to what he said, I was completely convinced by him - thermodynamics will definitely be one of the most important branches of physics."

"He is indeed a physicist, incredible, an Indian scientist..."

People were talking.

Ma Shao talked about the history of physics for half an hour, and even lay reporters listened with interest. They may not understand the formulas, but they can understand the stories of the physicists.

As the narrative progressed, he talked about the law of conservation of energy.

Ma Shao: "I think most people here have accepted the 'Law of Conservation of Energy', or the 'First Law of Thermodynamics'."

"This law tells us that energy will not be created out of thin air, nor will it disappear out of thin air. It can only be converted from one form to another form... From this we can determine that perpetual motion machines cannot be made. All about perpetual motion machines.

All attempts are doomed to fail.”

Before he finished speaking, there was another intensive discussion in the auditorium.

Perpetual motion machines are a hot topic.

Due to countless failed attempts by predecessors, most scientists have basically realized that a perpetual motion machine cannot be made.

But it was not until recent years, with the discovery and popularization of the law of conservation of energy, that scientists really gave up on this idea.

"It is really a pity. The law of conservation of energy has sentenced the perpetual motion machine to death. It is impossible for us to obtain this dream device..."

"Perhaps we can imagine another energy device, such as lowering the temperature of sea water to extract energy..."

In these discussions, not surprisingly, Mashao heard some remarks about the second type of perpetual motion machine.

So he went on to say: "Since energy can only be transferred, can we design a device that, although it cannot create energy, can extract energy from things with huge energy, such as the ocean? We just need

If the world's sea water drops by one degree Celsius, the energy gained may be enough to run a train for 100,000 years."

"That sounds good..." people said.

"What do you think?" Joule looked at Thomson beside him.

"Hmm... my intuition tells me that this seems impossible." Thomson pondered.

Mashao allowed people to discuss it for a while, and then said: "However, I regret to tell you that such a design is also impossible to exist. In fact, I think this design can be called a 'second type perpetual motion machine'.

It’s as absurd as a perpetual motion machine of the first kind.”

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