The old woman and I were stunned, why did the door to the balcony open with it?

Bai Nuoxin closed the door, and then explained: "In fact, the principle is very simple, the closure of this house is very good, the outside is stuffy, but the air conditioning is turned on inside, the air conditioning is equivalent to pressurizing the inside of the house, when the door to the balcony is opened, that is, the closed room is connected to the outside world, which is equivalent to making the house vent outside, and because the temperature difference is too large, the cold air in the house will quickly gush out." ”

Speaking of this, Bai Nuoxin walked to the front of the door of the living room, closed the door of the living room, and continued: "If the air conditioning gushes out quickly, the air pressure inside the house will drop rapidly, and the air pressure difference between the inside and outside will be formed, just like a leather ball is suddenly punctured, the air pressure will quickly lose outward, and the ball will dry up, and this house, the door of the living room, is pushed open by the air pressure outside due to the drop in air pressure in the room." ”

When I heard this, I had a doubt, and I said, "No, as soon as this door closes, the deadbolt will be bolted, and even if you kick it hard, it may not be able to open, let alone just a difference in air pressure?" ”

After listening to Bai Nuoxin's explanation, the old woman was confused, she didn't know what the pressure difference was, and what the temperature difference was, which was equivalent to a third-order function for her that was so incomprehensible to a primary school student.

The old woman said, "Little girl, though I do not know what you are talking about, but I do not agree with you, as the lad said, the door is bolted, and it is impossible to open it unless someone twists the handle." ”

I nodded.

Bai Nuoxin said at this time: "Well, what you said is very reasonable, old woman, but what if the lock on this door is broken? ”

As she spoke, Bai Nuoxin closed the door and then pulled it open, and she didn't twist the doorknob at all during the whole process!

I was stunned for a moment, so it turned out that this was the case......

Bai Nuoxin explained: "Old woman, you have formed a habit of opening and closing the door, and you will naturally ignore the small changes on the door, in fact, the spring of the deadbolt of this door is broken, and as soon as the door is closed, the deadbolt will be pressed into the door frame and cannot be bounced out." However, if you lock the door with a key, the deadbolt will pop out when it is twisted, so the door can still be locked, which makes it less easy for you to notice the change. ”

The old woman looked at the door lock and was stunned for a while, then suddenly laughed and said, "Still little girl, your eyes are sharp, my old woman really didn't notice the lock on this door." ”

"So that's ......" I couldn't help but look at Bai Nuoxin differently, I didn't expect that she was so hot and fierce and had such good observation and reasoning skills, she was simply a female detective.

Then I couldn't help but feel funny in my heart, it turns out that the ghost pushes the door is such a simple principle? What's even funnier is that I really thought it was a ghost pushing the door......

I had learned these physical principles in high school, but now I am "obsessed with ghosts", and I have preconceived ideas, so I think that there are really ghosts.

Bai Nuoxin smiled and said: "So, old woman, you don't have to worry at all, there are no ghosts pushing the door at all, there are no ghosts in this world at all, everything can be explained by science." ”

The old woman smiled kindly and said, "Thank you, little girl, but, although this time it is not a ghost pushing the door, but yes, there are some things that I would rather believe than believe that there are none." ”

A person's worldview is the most difficult to change, especially for adults, it's like a tall building that has been built, and if you have to make it square, you will end up with a deformed and crappy thing.

Not to mention the worldview of this old woman, she is half buried in the earth, and if she wants to change her mind that there are ghosts in the world, it is easier to build a coffin for her.

Therefore, when Bai Nuoxin heard the old woman say this, she didn't intend to convince her, but smiled and said, "Old woman, it's not too early, we won't disturb your rest, we have to go." ”

The old woman said, "Why don't you eat some snacks and then leave?" I'll be able to do it in no time. ”

Bai Nuoxin tugged at my sleeve, I glanced at her, and immediately understood what she meant, I said to the old woman: "Old woman, thank you for your kindness, but we have class tomorrow, we can't stay here for too long, and it's not too early now, so we have to go." ”

The old woman looked a little disappointed in her eyes, but she nodded slowly, she walked to the front of the sofa, picked up the kombal, and said, "It's okay, it's okay, you go back, be careful on the way." I can't toss my bones, so I won't give it to you. ”

"Well, good night old woman." Bai Nuoxin said, then opened the door and walked out.

I said goodnight to the old woman and walked out.

But at this moment, in a trance, I saw the kombala held by the old woman, and the corners of her mouth seemed to show a strange smile.

I was still stunned, but at this time, Bai Nuoxin pulled me out and whispered to me: "Come on, do you covet the beauty of the old woman, those straight eyes, hum!" ”

I closed the door by the way, completely speechless, and I said, "Can you not be so weird, you can come up with this!" To tell you the truth, I just saw the kombala held by the old woman, and I actually smiled! ”

Bai Nuoxin didn't care, waved her hand casually, and said, "Cut, you kid must be dazzled." Yes, I heard Sister Dream Spirit, you tell ghost stories very well, you won't be telling ghost stories to me now, right? ”

At this time, I looked down and found that there was a large pool of water outside the door......

I was stunned for a moment and said, "How can there be so much water here?" ”

Bai Nuoxin said: "Maybe it's the water that our shoes brought when we walked down that damp alley just now." ”

"How is it possible, even if the shoes are filled with water, there can't be so many......"

"Are you still leaving?" Bai Nuoxin was a little impatient, she ripped my coat off her, stuffed it into me, and said, "Don't go, then you stay here, I'll go!" ”

After speaking, Bai Nuoxin turned around and left quickly.

I sighed helplessly, this Bai Nuoxin is really the eldest lady's temper, unbearable......

I hurriedly chased after her and said to her, "I'm sorry, I didn't want to make you angry just now, but I'm really curious, why is there a puddle of water outside the old woman's house?" ”

At this time, we had already walked out of the alley and came to the lively street of Nanting.

Bai Nuoxin's anger disappeared, and she also felt a little puzzled at this time: "I don't understand, did you pay attention to the ground when you entered the house?" ”

"Nope."

"I didn't pay attention either." Bai Nuoxin shrugged her shoulders and said, "It's very likely that there was a puddle of water when we went, but we only found out when we went out." ”

Then she said to me again: "Guanggongnan, don't you really think there are ghosts? ”

I smiled, noncommittal.

Bai Nuoxin said: "I have already explained, it was not a ghost pushing the door just now. Bai Nuoxin gave me a blank look and said, "Cut!" You are really old-fashioned, what age are you, and you still believe in ghosts? ”

My heart says, "I don't believe in ghosts, I'm sure there are ghosts!" And I've seen ghosts more than a dozen times!

Having said that, the old woman's house, the koala, and the puddle of water in front of the living room door just now are really a bit weird, and it's hard for me not to think of ghosts......