Xu Yanni and Chen Pei blinked, and Wang Zhaozhao had to repeat, "Electronic market..."
Seeing their surprised expressions, he explained the reason.
When I returned home the day before yesterday, I found a bad place in their yard. They usually live in the second yard, so if someone knocks on the door outside, they can't hear it.
"So, I want to get a doorbell, uh... the kind in the middle of the yard, so when I hear the doorbell ring, I can see who's coming."
After hearing this, Chen Pei was completely shocked.
"You said, is that still a doorbell?"
After the meeting, she had broadened her horizons and seen Wang Zhaozhao and Xu Yanni's mobile phones.
I have to say, I'm quite envious.
She suddenly laughed at the two little sisters, "I suddenly understood. During the few conversations before choosing a major, Zhao Zhao suddenly became interested in physics.
Then, Yanni, you thought about the usefulness of studying physics, that you could build cars, airplanes, and many other things, and that excitement."
It’s really useful.
But is it so intuitive and useful?
Simple and crude, find problems and solve them.
"Hehe, it's really magical, as if opening the door to a new world." Xu Yanni said with a smile.
Then, he asked Wang Zhaozhao, "Can you elaborate on this?"
Wang Zhaozhao, "I've thought about it. It doesn't seem very complicated. I can do it myself."
"It won't be that easy, right? To be able to see the door from inside, at least a few conditions must be met..."
“…”
Chen Pei was speechless as he watched Xu Yanni and Wang Zhaozhao start their discussion.
But she didn't get angry and interrupt, she just waited.
I had wanted to see when the two would finish their conversation, but then I remembered she was still there, and that they were going shopping together…even if it was just to the electronics market.
Well.
Chen Pei discovered that these two people would not be able to finish their conversation for a while.
Look, they have already taken out notebooks and pens from their schoolbags and started writing and drawing while chatting.
Although she studied mathematics, she could still understand some "human language".
This "doorbell" also became three-dimensional and vivid in Chen Pei's eyes.
Not only can the person inside see who is ringing the doorbell outside, but they can also have a real-time conversation.
"I looked up information and found that the UK was the first to popularize surveillance, while China hasn't. They may have done some research, but it hasn't been made public yet."
Speaking of this, Wang Zhaozhao suddenly felt melancholy.
In daily work, life and study, you may occasionally feel that the country is lagging behind in some aspects, but it’s actually not that bad.
But for researchers, the word "backward" can easily become a huge pressure point that comes towards you, which is a very intuitive feeling.
Xu Yanni said, "Since you're going to do it, why not just get a visual doorbell? Upgrade it? Get one with surveillance video? I've got nothing to do anyway, so I'll help."
"Sure. If I can't use it at home, I can hand it over to the government. I mean, some organizations can use it, especially those with high security and confidentiality levels..."
Wang Zhaozhao raised an eyebrow at Xu Yanni.
Xu Yanni clapped her hands excitedly, "Yes! Do it!"
Chen Pei's eyes widened when he heard this. Is it so fierce?
Then, she saw an outrageous scene.
The two men at the next table suddenly stood up and walked over. "Comrade Xiao Wang, Comrade Xiao Xu, why don't you leave first?"
ah?
Wang Zhaozhao and Xu Yanni were a little confused. Their first reaction was, is there any danger?
No way...
"Comrades, what you are talking about is something no one has ever heard of. I feel that it is not appropriate to discuss it in this way?" Zhao Mai quickly reminded in a low voice.
Wang Zhaozhao: “……!”
Xu Yanni: “……!”
So what? They both felt like their brains were running out of ideas.
"Hey! You've finished drinking, let's go first and don't take up other people's seats." However, no matter what, since I have been reminded, it is better to leave first.
"Yes, yes, yes." Xu Yanni nodded repeatedly.
So the two of them pulled up the confused Chen Pei and left quickly.
Chen Pei: “……!”
No! Who are these two men?
Who am I? Where am I? What am I doing?
A light bulb went off in her head. Could it be that... her two good sisters, in the past year, were not only busy with research, but also found a partner?
Oh my god!
After leaving the cold drink shop, Wang Zhaozhao and Xu Yanni also understood the meaning of the two guards.
Wang Zhaozhao wanted to install a convenient doorbell, but she wanted a lot. It wasn't the ordinary kind that would make a buzzing sound from inside when pressed from outside, and that was it.
I didn't want to discuss it with Xu Yanni, but I became more excited and wanted more, so much so that I could turn a small gadget into something that could be launched as a research project.
Because the store was noisy, they had to speak louder.
The key point is that the people around them actually don’t know that they are doing research. Even if they hear it, they will think that these two girls are really bragging.
There's even some big talk about handing it over to the country.
However, Zhao Mai and Dapin knew that Wang Zhaozhao and Xu Yanni were not bragging.
And there is nothing wrong with their behavior. Who knows what kind of people are in this small cold drink shop?
What if there is some 'interested person'?
After all, there are three talented girls in this store: Wang Zhaozhao, Xu Yanni and Chen Pei.
These three people represented the country in competitions and won glory for the country at a critical period when they were in junior high school.
The three special recruits of Huazhong University of Science and Technology, after entering college, the two comrades they were responsible for protecting conducted research and made contributions to the country.
And the other person may also be making contributions to the country in a place they don’t know.
They must be vigilant.
…
Chen Pei's expression was sparkling with gossip.
"Stop!" Xu Yanni got goosebumps when she looked at her.
What kind of look?
"I know you are excited, but don't get too excited..." She briefly explained the identities of Zhao Mai and Dapin.
After listening, Chen Pei: "......!!!"
Why force me to act - dumbfounded, stunned, transfixed.
It wasn't until she got on the subway that she came to her senses.
She opened her mouth to ask, but before she could ask, Xu Yanni quietly pressed her palm down.
Low profile, low profile.
Chen Pei swallowed his words and said, "Okay! I won't ask."
Anyway, she just wanted to know that her two little sisters... No! Not just these two, but the little friends she had fought shoulder to shoulder with. There were five of them who were so awesome that even going home had a special car and security guards.
Thinking of this, she turned around to look at Zhao Mai and Dapin, who looked like pedestrians following behind her.
"call……"
She breathed a sigh of relief and forced herself to stay calm, to stop looking at others and causing trouble for them.
Wang Zhaozhao and Xu Yanni were also troubled and felt suffocated.
They haven't finished discussing it yet...
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