Early Saturday morning,

Lin Fan got up very early, and after a simple wash, he went out to buy some breakfast for Liu Yun'er, today is the day to go on a date with the big goblin, of course... Two large light bulbs will also be brought, but it is also possible that the two light bulbs will be together in the future.

afterwards

After returning to the room with breakfast, after making a phone call to Liu Yun'er, he began to pack his travel things.

Twenty minutes later,

Liu Yun'er came to Lin Fan's room with Hache and began to eat her breakfast slowly, now she is more and more dependent on Lin Fan, sometimes she can't imagine what her life will be like without Lin Fan.

"Huh?"

"I'm about to leave, can you tell me where I'm going now?" Liu Yun'er ate the mushroom vegetable bun and asked curiously, "Don't you say it again... I'm going to be suffocated. ”

"Go to the hot spring hotel!" Lin Fan said.

“...”

"That's it?" Liu Yun'er was so angry that she thought it was some kind of lofty plan, but the result was to go to a hotel and take a bath.

Alas?

Bath?

Wait a minute... Wrong!

Liu Yun'er thought of something, and said with a dark face: "Is it that you didn't go to the bath with your own leader when you went up, and you are worried about this matter, so... You deliberately chose to go to a hot spring hotel by taking the opportunity of matching others?"

Lin Fan was stunned for a moment... Not to mention, this girl guessed so accurately!

"Ahem!"

"Don't talk nonsense..."Lin Fan said angrily: "I've thought about it carefully, first of all... The hot spring hotel is far away from us, and it takes two or three hours to drive, which we can use to inspect the basic conditions of the man. ”

"If it's good... Move on to the next step, and if it's not good, treat it as an ordinary play and thanks. Lin Fan said.

“...”

Liu Yun'er asked, "In case you and I agree that the man is good, what should we do later?"

"It's simple. ”

"When it's time to take a bath, I'll have a good chat with that guy and teach him some basic skills of chasing girls, and you... Responsible for brainwashing your girlfriends. Lin Fan said: "As for whether the latter two can succeed, it depends on the will of God." ”

Liu Yun'er nodded, hoping that Yuxi could end her single career and enjoy the sweetness of love.

Of course

All this is based on the fact that the other person is very good, if the person is not good... Naturally, I won't match, so as not to harm my girlfriends.

"How many rooms have you booked?" asked Liu Yun'er.

"Two. ”

"There are only the last two rooms left. Lin Fan said.

“...”

"How is it arranged?" Liu Yun'er frowned: "I sleep with Yuxi, and you sleep with that suitor?"

Lin Fan shook his head and said seriously: "This is the room arrangement that appeared in our belief that it was impossible... If the man is very good and excellent in all aspects, and Song Yuxi also shows signs of loosening, just the two of them live in one room, and the two of us live in one room. ”

"Hmm..."

"It's fine. Liu Yun'er took a sip of soy milk and said indifferently: "I hope it goes well." ”

"What do you care about other people so much, you think about what happened between us. Lin Fan said with a smile: "If you're lucky... Let's stay in the same room, you... Can you promise me one thing?"

Liu Yun'er frowned and asked indifferently, "Speak." ”

"What..."

"When you sleep in a hot spring bathrobe at night, can you... Simpler, purer, clearer?" asked Lin Fan shyly.

Liu Yun'er was stunned for a moment, completely unable to understand what Lin Fan was talking about, and asked curiously, "I don't understand... Can you be a little more elaborate, you idiot?"

"It's just..."

Lin Fan pondered for a moment and hurriedly said, "The last time you pressed on me, I didn't feel the merits of you, so... Don't wear it at all. ”

As soon as the voice fell,

Liu Yun'er's white and pretty face was instantly covered with red glow, and she hurriedly picked up a vegetable bun and threw it away at Lin Fan, as a result... He picked it up.

"Stinky rascal!"

"What are you thinking about every day?" Liu Yun'er said angrily.

"Hey, hey..."

"I'll just give you an opinion... If you want to wear it, I can't stop it. Lin Fan said helplessly.

Liu Yun'er glanced at her and said angrily: "Idiot... Get out!"

In the face of this LSP, Liu Yuner was also helpless, but asked herself, do you like him to play hooligan on herself?

Like...

But don't cross the line!

This,

Liu Yun'er felt that the big stupid man was a gentleman, although he would take advantage of him from time to time, but he would not go too far, which made him feel resistant.

Long

Lin Fan carried two bags, went downstairs with the big goblin, and then got into the car.

"Where are Song Yuxi and his suitors waiting?" Lin Fan asked.

"Before getting in the car, Yuxi sent me a WeChat message, and the two of them were already waiting at the door of the unit. After Liu Yun'er finished speaking, she glanced at Lin Fan and said solemnly: "You behave better for me, take a good look, don't come nonsense." ”

"Don't worry. ”

"When have I ever let you down?" Lin Fan said disapprerovingly.

Long

Liu Yun'er was about to arrive at the door of Song Yuxi's unit, and saw a man and a woman standing at the door in the distance.

Lin Fan glanced at that buddy, what did he say... Gentle and elegant, extraordinary, at first glance is a high-level intellectual, although not very handsome, but particularly secure, temporary... A passing grade has been reached.

"How's it going?" asked Liu Yun'er.

"Not bad. Lin Fan said indifferently: "Although there is a lot of gap between me and me, it is more than enough for Song Yuxi." ”

“...”

"Get out!" Liu Yun'er said angrily: "Don't talk nonsense about these words. ”

subsequently

Song Yuxi got into the car with the man.

"This is my best friend who told you, a famous expert in the field of condensed matter physics, a professor of physics at Shen University, Liu Yun'er. Song Yuxi said indifferently: "This is her boyfriend, the little-known Lin Fan." ”

Words fall,

Chong introduced to the two people in front of him: "Zhou Feng, associate researcher, engaged in the field of optics. ”

Followed by

The three of them briefly exchanged pleasantries.

"You sit with Zhou Feng. Liu Yun'er said to Lin Fan beside her: "I'll sit with Yuxi." ”

"Oh. ”

Lin Fan nodded, got out of the car and switched places with Song Yuxi.

afterwards

The four of them embarked on a journey.

On the way

The two women chatted about cosmetics, while Lin Fan and Zhou Feng sat silently in the back row, neither of them spoke, but Lin Fan had been playing with his mobile phone, while Zhou Feng turned his head sideways and looked at the scenery outside the car without saying a word.

Then

Lin Fan glanced at Zhou Feng, silently put down his mobile phone, and began to prepare to get close to others, and then asked, "Brother Zhou, what are you studying in the field of optics?"

Zhou Feng was stunned for a moment, and said seriously: "Guided wave optics and quantum optics. ”

"Oh..."

"Awesome!" Lin Fan nodded and said with a smile: "Are there any latest discoveries?"

"At present, I lead a research group that is working on three-dimensional optical topological insulators. Zhou Feng said: "It is hoped that the three-dimensional topological insulator will be extended from the fermion system to the boson system, and if successful, it is expected to greatly improve the transmission efficiency of photons in the waveguide." ”

In fact

Zhou Feng just regarded Lin Fan as an ordinary person, and did not regard him as a researcher in the field of physics, so he had no reservations about him, after all, what he said, the other party would definitely not understand.

"Oh!"

"Three-dimensional optical topological insulators... It is in a state of blank space in the field of optics. Lin Fan still smiled and said: "The previous experimental research on optical topological insulators was only limited to two-dimensional space. ”

Hearing this,

Zhou Feng was taken aback, this didn't seem like an ordinary person.

"You..."

"You understand?" Zhou Feng asked.

"A little bit of it. Lin Fan explained: "I'm a person... Pay more attention to popular science articles. ”

"Oh. Zhou Feng nodded and said solemnly: "You are right, in two-dimensional space, there is only a one-dimensional one-way topological boundary state when the surface wave propagates, but according to my guess, when propagating in a three-dimensional optical topological insulator, its topological surface state behaves as a two-dimensional massless Dirac fermion." ”

Oh?

Lin Fan suddenly became interested, although he was not the top authority in this field, he also understood a little.

"Uh..."

"When electromagnetic waves propagate at the interface of the waveguide or medium, they will encounter defects, impurities, waveguide bending, etc., which will produce inevitable scattering, resulting in energy loss, Brother Zhou, how do you solve this problem?" Lin Fan asked solemnly.

At this point,

Zhou Feng was stunned, this... What's going on?

He...

How could he have understood in such detail?

Even the problems encountered by his own scientific research team are so clear.

“...”

"We designed an electromagnetic cell structure consisting of multiple open resonators, which has strong electromagnetic bianisotropic characteristics. Zhou Feng said: "It should be possible to solve this problem." ”

Lin Fan nodded, although he didn't know what this thing was, but people said that it could be solved, and there was no problem with Kenneng.

But...

Lin Fan didn't know if he could ask this question next, after all, if the appeal problem was solved, Zhou Feng would face a new difficulty, and this difficulty was a key factor in the three-dimensional optical topology insulator.

Try it, right?

I'm so curious!

"That..."

Lin Fan shrank his head and asked cautiously, "How do you observe the surface state of the two-dimensional Dirac cone?"

Suddenly

Zhou Feng's mind exploded, this young man beside him, how... How do you know everything?!

meanwhile

The two women in the front row were quietly listening to the conversation between the two men in the back row, but in fact, when Lin Fan went to talk, the two women had stopped talking.

Then

Song Yuxi secretly glanced at Zhou Feng, who was full of doubts about life, and couldn't help pursing his lips... I was very helpless in my heart.

"Yun'er..."

Song Yuxi whispered: "Your boyfriend is a little too much!"

......