Chen Muwu's brain was running rapidly, but in the end, he didn't come up with what animals the British and Germans hated the most.

There is no way, I can only invite out the old actors.

It's just a pity that the most famous cat in the world has been put in the same black box by different people for two consecutive lives.

"Dr. Einstein, can I change things a little bit from this thought experiment that you just came up with?"

"Of course, Dr. Chen, please take care of yourself."

After getting permission, Chen Muwu first erased the dotted hemisphere B, then picked up chalk and drew a line on the hemispherical screen, dividing the screen into two.

"Dr. Einstein, I'm going to use your train of thought to go on.

"I want to divide the hemispherical screen into two smaller screens, one and two, using a plane that passes the center of the sphere and is perpendicular to the first screen.

"So now, is the probability of this photon going to each part one in two?"

"That's right."

"Well, I'm going to go ahead and reshape this screen. I hired a genius electrician with incredible craftsmanship and asked him to help me transform the screen1 into a switch for an electrical circuit.

"As soon as a photon hits screen 1, the switch of the circuit is disconnected.

"On the other side of the circuit is actually a very magnetic electromagnet, and the magnetic force generated by the electromagnet can levitate a very massive claw anvil in the air.

"And directly below the anvil is a sealed glass bottle containing the highly toxic substance hydrocyanic acid vapor, and next to the glass bottle is a cat.

"If a photon hits this screen1, the circuit that controls the electromagnet is broken, and then the electromagnet loses its magnetic force, and then the claw anvil falls from the air and smashes the glass bottle underneath, and the highly toxic substance in the glass bottle is released after it is broken, and it poisons the cat.

"After this transformation, I put all the experimental devices except the photon source switch into a closed, light-impermeable box.

"Now it's time for the exciting launch of the experiment. I stood outside this airtight box and activated the photon source so that it fired a photon towards the hole.

"You just agreed that this photon will have a half chance of shooting on screen 1, and at the same time, after a series of quick chain reactions, the cat will be poisoned.

However, due to the other half of the probability, when the photon hits screen 2, the cat will be alive and kicking, without any effect.

"But it's all happening in this airtight box. If you don't open the box, you don't know if the cat is dead or alive.

"Or rather, for me outside the box, the cat is in a superposition of death or life."

"It was only at the moment I opened the box that I observed the state inside the box, and the cat's wave function collapsed, so that it could become a live cat or a dead cat."

Chen Muwu abandoned the device at that time that triggered the Geiger counter by atomic decay, and directly improved on the basis of Einstein's thought experiment, and introduced the unlucky egg cat.

Just as Einstein wanted to speak, Chen Muwu, who had predicted his prediction, directly interrupted.

However, now after listening to Chen Muwu's statement that cats are in a superposition of death or life, Einstein feels that his statement is really absurd.

Chen Muwu saw Einstein frowning again, his throat moved, and he was about to speak.

"Dr. Einstein, I know you're anxious to find out if the cat in the black box is dead or alive. But don't worry.

"I'm not done with this thought experiment, there's another part.

"In this experiment just now, I also have a very anxious friend Albert, who also disagrees with my statement, that the cat in the box is either alive or dead, and can never be in a superposition of death or life.

"So this anxious Albert wanted me to do this experiment again, but unlike the first experiment, he put on a quarantine suit, a gas mask, and plenty of oxygen, and was locked in a black box with the cat.

"After all of this was ready, I stayed outside the black box and activated the photon source once more, allowing it to fire another photon into the hole.

"Because this time, I also stayed outside the black box, so I still don't know if the cat inside the box is dead or alive.

"For me, the cat in the box is still in a superposition of dead or alive.

But the difference is that Albert is already in the box, as long as the device moves together, he can know whether the cat in the box is dead or alive at the first time, and will not let the cat be in a superimposed state.

"If there is a telephone line between me and him, then Albert can call me on the phone and immediately shout, 'Chen, that cat is still alive!' Or 'Chen, unfortunately, that cat is dead.' ’

"The only difference between me and Albert is whether or not we are observing the cat in the box.

"His consciousness affects the wave function of the system, while mine does not."

After saying these words, Chen Muwu finally ended his mouth gushing endlessly, and returned to the elegant and easy-going state of a humble gentleman.

Looking at him like this, Einstein on the other side of the podium understood that it seemed that Chen Muwu had finished talking about the thought experiment he had designed, and now it was his turn.

"Dr. Chen, what you said is very novel, and I feel that my brain's reaction speed is almost unable to catch up with your speech speed.

"Now, I don't want to discuss with you whether the collapse of the wave function is right or wrong, I don't want to dwell on whether the poor cat is dead or alive, and I also don't want to discuss whether the collapse of the wave function determined by consciousness is a kind of idealism.

"I forced my brain to follow your train of thought completely, and I found such a problem.

"That is, I think there seems to be another paradox in your thought experiment.

"Whether you say you are aware or not is the only determinant of whether the wave function collapses or not.

"Maybe you're the ultimate observer of the whole system. The moment you realize the result, the wave function of the whole system finally collapses.

"But don't forget, Albert is a conscious person just like you, and his consciousness can also affect the cat's wave function.

Now the question arises, when did the poor cat's wave function collapse? Was it the moment Albert was aware of it, or was it the moment when he told you the news and then you were aware of it?

If it's the latter, then why are the two of you not in the same position as conscious beings?

"Could it be that you are more advanced, and that Albert is just an unconscious measuring tool for you, like the photographic negatives and binoculars before him?"

Wonderful.

Some people in the audience applauded after Einstein's speech, and even Chen Muwu almost couldn't help it, wanting to follow the drum a few times.

I didn't expect Einstein to react so quickly to this flaw he deliberately left behind, and continued to go deep into his trap.

"Dr. Einstein, this is a very sharp point of view, and this is really the lack of rigor in this thought experiment.

"So I'd like to fix it now.

"I just cut that damn phone line, and there's no immediate contact between me and Albert now.

"So I triggered the switch on the photon source, and without opening the box, I still didn't know if the cat in the box was alive or dead.

"But for Albert in the box, as long as he keeps his full attention on the cat, he will know whether the cat is alive or dead before I even open the box.

"Then the problem now arises that for Albert, cats can only be in a living and dead state; But for me, cats are still in a superposition of life and death.

"It's only when I open the box that I know if the cat is alive or dead.

"If I agree with Albert's observations, that's fine.

"But if I don't agree with Albert's observations, can the cat die suddenly, or come back to life?

"It's impossible to even think about!

"For this reason, I can give a new explanation, a new possibility.

That is, people and human consciousness are equal, and there is no priority of who is higher than whom.

"At the moment when Albert in the box observed, it was not the cat's wave function that collapsed, the entire universe was divided into two, the living cat universe and the dead cat universe.

"In the live cat universe, after I open the box, the cat must be a live cat, and in the dead cat universe, the cat must also be a dead cat.

In other words, with every observation, our universe splits again.

"If you draw a schematic diagram of these universes in four dimensions, then they are all independent of each other and parallel to the timeline.

"So, I call them parallel universes."

First, observation will cause the wave function to collapse, then only human consciousness will cause the wave function to collapse, and finally human observation will cause the universe to split into several parallel universes.

The three completely different explanations given by Chen Muwu are more and more deviant each time.

The audience, including Albert Einstein, was not on a roller coaster, but swooping all the way along the radius of the earth to the deepest part of hell.

Some people even wonder if Chen Muwu has taken the wrong medicine, and some people think that Chen Muwu's brain has been overdeveloped, although he has proposed a lot of genius physics inventions and discoveries in more than two years, but it has also caused a great backlash to him, which will make him so crazy.

The discussion in the venue became louder and louder, but basically no one could understand it, and no one could agree with Chen Muwu's views.

The entire Royal Society of Great Britain was even more shocked than when the Holy See first heard of the theory of "heliocentrism".

Einstein, who was standing on the sidelines, always wanted to say something, but after organizing the language for a long time, he found that he couldn't say anything.

In the original plan of the award ceremony, Einstein had plenty of time to give his acceptance speech, and there was plenty of 15 minutes.

But being by two people like this, it took more than an hour.

The moderator of the meeting, who was supposed to be Einstein's English translator, didn't have time to interject in the debate between the two men.

After listening to what the two men were talking about, he gradually came to his senses from his shock.

The moderator thinks that if this continues, then maybe the whole morning will be wasted on these really too illusory questions.

They can no longer be allowed to treat the awards ceremony as a stage for farce, something has to be done.

"Dr. Albert Einstein, Dr. Chen, because we have limited time for this award ceremony, we really can't let the two of you have any further academic discussions.

"Dr. Einstein, please take your certificates and medals.

"Dr. Chen, please step down and take a break.

"Ladies and gentlemen, let's take a five-minute break, and after that, the award ceremony will continue."

The host set aside a few minutes of rest for everyone very intimately, hoping to let everyone come out of shock, doubt, anger and other moods.

Einstein, who was completely sleepy, walked back to his place from the stage like a walking corpse.

But Chen Muwu's return journey was extremely difficult.

On the seats on both sides of the aisle, questions were thrown at him one after another, and some people even blocked the way altogether.

At this time, the most gentlemanly people in the most gentlemanly country in the world no longer think about whether they should maintain their gentlemanly demeanor.

The only one who is smiling, polite, and showing a gentlemanly posture may be Chen Muwu, but he is also the culprit who drove these gentlemen crazy.

Seeing that if Chen Muwu was allowed to return to his own seat, it might take more time than a five-minute break, so the host simply did it to the end and invited Chen Muwu, who was blocked, back to the backstage.

Anyway, he has to go on stage to accept the award later, so it is better to wait directly backstage.

……

After the riots, the awards ceremony is finally back on track.

A few more medals were awarded, and it was Chen Muwu's turn to win the Hughes Medal.

This time, the award speech given by the Royal Society of the United Kingdom was much more generous than that of the Royal Swedish Academy of Sciences.

They are no longer openly praising and disparagement, but directly saying all the achievements made by Chen Muwu in physics in the past two or three years.

Because of his outstanding contributions to optics, statistical mechanics, atomic physics, etc., the Royal Society decided to award the Hughes Medal in 1925 to Dr. Chen Muwu.

"Dr. Chen, please come to the stage to accept the award."

Chen Muwu walked out of the backstage and took the medals and certificates that belonged to him from the host.

"Dr. Chen, do you have anything else to add to your acceptance speech?"

The subtext in the host's words is, if you win the award, get off the stage as soon as possible, and don't make any more moths.

But Chen Muwu is biased.

"Well, since you've said so, I'll say a few more words."

The host can't wait to slap two mouths for himself, why is he so cheap with this mouth?

It seems that Chen Muwu was reluctant to say anything now, but he was embarrassed by his invitation.

"I would like to thank the Royal Society for admitting me as a Fellow and awarding me the Hughes Medal this year.

"I've taken up a lot of your time just now because of Dr. Einstein's invitation, (his subtext is, "Don't blame me, blame Einstein"), so I'll just say a few words now, and rest assured that I'm not going to say that cat again. ”

Hearing the promise in the second half of Chen Muwu's sentence, at least half of the people in the venue either opened their mouths or recited silently in their hearts, and they all said in unison: "Thank God ......"

"I'm going to give you a lighter thing, even though some of you here may not have read my second paper, but I'm sure you've all learned about time travel in the newspapers to a greater or lesser extent. After all, at this time two years ago, time travel was one of the most discussed topics on the streets at the time.

"When it comes to the choice of direction for time travel, I think it's time travel back to the past, which is more fascinating.

"Because in the old days, everyone had some regrets to a greater or lesser extent, and it would be nice if we could go back to the past and make up for it.

"Now, I ask you to consider one such thing. Suppose one day in the future, human beings have really developed the technology of time travel.

"There was a man named John Smith who became a time traveler.

After experiencing the changes this new technology has brought to people's lives, he one day had a whim: if he went back decades and killed his grandmother, who had not met his grandfather at that time, then there would be no more mothers of his own.

And if you don't have your own mother, you shouldn't have your own anymore.

But he was the one who killed his grandmother, who was not yet married.

"If it weren't for John Smith, he wouldn't have been able to travel back in time and kill his grandmother.

"Or is it that the moment he kills his grandmother, John Smith will disappear at the same time, leaving only one grandmother's corpse and a knife to kill her in the world?"

Chen Muwu raised another philosophical conundrum that violated causality.

The audience began to discuss again, but after listening to Chen Muwu's explanation, Einstein once again aroused his fighting spirit.

He didn't raise his hand at all, but stood up directly from the first row and said, "Dr. Chen, the incident you brought up violates the law of cause and effect, does that mean that time travel, at least going back to the past, is an impossible thing?" ”

"Dr. Einstein, before today, it was indeed possible to understand it like you."

Although it is said that the angler will never be in the air force, but every time it is this big fish that is hooked, Chen Muwu is a little embarrassed.

"But maybe we can think about it from a different perspective. What if parallel universes existed?

"From the moment John Smith began to travel back in time, he had already left the previous universe A, and instead started a new parallel universe B.

"In this universe B, he killed his grandmother who had not yet met his grandfather, so in universe B, there would be no more people named John Smith in the future.

But for John Smith from Universe A, this is no problem at all, he is the grandson of his grandmother in Universe A, and he is not affected by the grandmother who disappeared in Universe B.

"So he won't disappear at all, but will continue to exist at the scene of the murder intact, waiting for Officer Lestrade to be arrested after being directed by Sherlock Holmes or George Chen."

"Ridiculous! Absurd! Dr. Chen, your parallel universe theory is too ridiculous! According to you, measurement leads to the coexistence of the various branches, which means that the universe will continue to split over multiple measurements, but no observer can feel the coexistence of the branches now. ”

"Dr. Einstein, your rhetoric is like that of those who opposed Copernicus's heliocentric theory in the first place.

"Like you, they think that people on earth don't feel that the earth is moving, so Copernicus's statement that the earth is moving around the sun is completely nonsense.

After that, Galileo explained from the point of view of inertia why people on Earth do not feel that the earth is moving.

"The theory itself is able to explain the apparent contradiction between its predictions and experiences, and this is the subtlety of success theory.

"Time is limited, so this is the end of my acceptance speech, and I would like to thank the Royal Society again for presenting me with this Hughes Medal."

After Chen Muwu finished speaking, he bowed and stepped down from the stage, the host's reaction speed this time was very fast, he directly invited Chen Muwu into the backstage, and did not give him another chance to have a passionate collision with the audience.

This time the reaction from the audience was even more violent.

Why did Chen Muwu talk about time and space travel for half a day, and finally turned to a parallel universe!

Taking advantage of the period when there was some turmoil in the audience, Chen Muwu slipped back to his room directly from the backstage, and after packing his luggage, he left the Royal Society and went straight to King's Cross Station.

He bought a ticket for the most recent train to Cambridgeshire.

Although he was already sitting in the first-class carriage, Chen Muwu's mood was still very excited.

At the ceremony, he talked about the various interpretations of quantum mechanics that would develop over the next few decades.

Even a hundred years later, no one can say which is right.

In this era, it is even more kingly fried.

Chen Muwu's remarks cannot be said to be "one stone stirs up a thousand waves", it is like "a big Ivan evaporated tens of thousands of tons of water vapor".

The locomotive blew its whistle, and the carriage moved slowly forward.

It's really exciting to run away after pretending.

(End of chapter)