After school that day, Qin Hongfei went straight to Xia Shangxu's rental house. Qin Yun and Qin Fei knew that she was coming to see her cousin, so they followed her.
The old lady downstairs saw Qin Hongfei this time and took the initiative to say, "Your cousin hasn't come back these days, there's no movement!"
Qin Hongfei thanked her.
Then I went to the door of the rental house and saw that the door handle was also covered with dust.
How could a living person disappear? She just couldn't believe it.
Concubine Qin said, "Fei, I went to my aunt's grandmother's house to look for her, but I didn't dare go in. However, I asked the neighbors and found out that my cousin had a quarrel with his family."
Qin Yun said puzzledly, "Why would my cousin make such a fuss that he disappeared? It's not that serious. I was beaten by my parents and it was no big deal."
Qin Hongfei looked around and took a look at the geographical location. Then she took off her schoolbag and searched inside. She found what she wanted. "Help me watch over the schoolbag. Wait for me here."
Qin Yun was very interested, "Hong Fei, what is this?"
Qin Hongfei was holding a pair of glasses in her hand, and a headset was connected with a beeping sound. She said, "Telescope plus life sign detector!"
...
...
Qin Yun and Qin Fei were stunned when they heard Gao Duan's name.
Qin Hongfei simply tried it and showed it to them.
There was someone at the neighbor's house next door. She walked over and put the sensor on the door, then showed the instrument in her hand to Qin Yun. The amplitude of the beeping sound became louder, and then the curve on it changed. Qin Hongfei said, "Everyone has a heartbeat, and the heartbeat will generate an electric field generated by the sub-bass radio wave. When the sensor is attached, if there is someone inside, it will be reflected on the instrument..." She pointed to the curve and said, "Do you understand?"
It is very easy to understand. If you don’t understand, then don’t try to understand it.
As long as you can use it, it's fine.
Qin Hongfei first went to the grandmother opposite and asked for her consent before entering the roof. Then, she looked directly into the house through the glass above the door through a telescope. If someone was also holding something to look at, they would definitely be surprised!
Unlike ordinary telescopes, this one appeared as a red curve in Qin Hongfei's eyes. In other words, everything she saw was made of red, including the door and the things inside the house, confirming what she wanted to confirm.
Qin Hongfei looked down at the instrument! Coming down from the roof, she went straight back to the door of the rental house and said with certainty, "My cousin is hiding in the house."
Qin Yun and Concubine Qin were dumbfounded. "But didn't the grandma downstairs say that she hadn't seen him for a long time?"
Qin Hongfei said, "What if he hasn't gone out these days!" She believed that her equipment would not go wrong.
Qin Yun also thought it was possible, and said excitedly, "I'll knock on the door."
Qin Hongfei had no time to stop them. After banging on the door, no one opened it. Instead, the neighbor came out and shouted in dissatisfaction, "Stop making noise."
The three of them apologized. Qin Hongfei searched on the ground and found a steel wire, then put it into the keyhole. Qin Yun laughed at her mercilessly, "Hongfei, you've watched too much TV. How could this thing..."
"Click", hearing the noise, Qin Hongfei opened the door directly, threw away the wire, then turned to look at him, clapped her hands and looked at the two dull faces, and said calmly, "As long as you have enough knowledge, the impossible can become possible!"
“…”
Qin Yun: “…”
????
This can be opened, is it true or false?
How come you know everything!
Do you think you can even pick a lock if you have read so many books? Then how come I can’t do it when I have studied a few years more than you? I suspect you are lying to me?
Back in the 1990s, she became rich through scientific research
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