The alarm kept ringing from the next room, and everyone present looked at each other in confusion, not knowing what was going on.
However, combined with Tang Ze's previous words, it can be heard that this is questioning the evidence that Ogino Keisuke was not at home at the time.
Tang Zeze didn't explain directly. Instead, he looked at Yueyuan Xiang and asked, "Ms. Yueyuan, since you heard the alarm while you were out, and you didn't say you would turn it off immediately, that means the alarm has been ringing for a while, right?"
"Ah, that's true now." Tsukihara Xiang nodded and said, "The alarm didn't stop until I came out and went downstairs."
"That's right." Tang Ze said calmly, "Because there was no one in the room at the time, the alarm went off automatically!"
The reason why the alarm is ringing now is that I asked Conan to set your alarm faster, and now it should be ringing at 7 o'clock in the evening.
You said before that your alarm clock goes off at 7:30 AM every day, so why did it go off at 7:30 PM today?
Without waiting for Ogino Keisuke, who was sweating profusely, to speak, Tang Ze sneered, "And the reason is that you were not in the room at all, so when the alarm went off, you did not turn it off, but it turned off automatically after the time passed.
And this is proof that you were not in the room this morning!
Even the sound of the alarm clock was so loud that it could be heard clearly in Miss Tsukihara Kaori's room next door.
It is impossible for you to concentrate on watching a football game in such an environment.
Of course, it would make sense if you didn't bother turning off the alarm in your room because of the commotion outside, but if that's the case, you can't be the last one to arrive at the scene."
"You, now that you mention it, I remember that I was in the bathroom at that time!"
Hearing Tang Ze's words, Ogino Keisuke explained in a panic: "I happened to go to the bathroom when the alarm went off. Although I heard the alarm go off, I couldn't press the alarm while in the bathroom.
As for the commotion, although I care about it, after all, everyone has three urgent needs.
After I finished using the restroom, I went straight to the scene.
And didn’t you just do the experiment?
If I were the criminal, I would first climb to the 23rd floor and push the president out of the room, then run to the first floor, and then wait until the criminal came to this room. There would be more than ten minutes of blank time in between.
But if 10 minutes pass, the foam on the beer will be just like the beers you experimented with before—all the foam will disappear!"
"This reason makes logical sense, but there's no way to verify it."
Tang Ze smiled and said, "But as for the disappearing bubble you mentioned at the end, I do have a way to make it reappear."
"What!" Tang Ze's words startled Ogino Keisuke, and then his expression changed drastically, "W-What are you talking about!!"
"The steam from coffee requires a tool to heat it, and the burning of a cigarette is irreversible, but there is a way to recreate beer foam."
Tang Ze smiled and said, "Conan, please give this big brother a good demonstration."
"Okay~"
Conan smiled cutely, then walked over to the beer glass and made a spellcasting gesture with his hands: "Bubbles, bubbles appear! Lots of soft bubbles!!"
After seeing the spell, he might take the beer in his hands and say with a smile, "Isn't it incredible? The bubbles are about to reappear!"
“Eh!?”
Although Inspector Megure knew that the two had already understood the criminal's methods, he was still surprised to see that foam suddenly appeared in the beer glass as if Conan had cast a magic spell.
After all, it was right under his nose that Conan turned the beer without foam into beer with foam.
Then it is entirely possible that Keisuke Ogino made the beer foam when he picked up the beer glass, pretending to be in the room before.
"What's the principle behind this?" Inspector Megure looked at Conan and asked quickly.
"I just sprinkled the salt from the kitchen into the beer." Conan said with a smile, holding a small bottle of salt.
"If you put any particles that sink into beer, it will create foam. Whether it's salt, sugar, or sand, as long as it's a particle mixed into the beer, it will work."
Tang Ze explained: "When these particles sink into the beer, the boundary between the beer and the air comes into contact with each other, and at this time a lot of carbon dioxide accumulates, which makes it easy to produce foam."
"Let me show you again!" Conan said as he took the small bottle of salt, took another glass of beer and sprinkled salt into it.
The next moment, the foam in the beer glass suddenly surged up, making it look like it had just been opened.
"Amazing! Conan, you already knew this principle?" Inspector Megure exclaimed, "Brother Karasawa taught you really well."
"This is not what the master taught me~"
Hearing that Inspector Megure believed that it was Karasawa's credit, Conan, who was full of rebelliousness, couldn't help but retort: "I heard this from Uncle Maori Kogoro.
When my uncle was a poor college student, he would sprinkle salt into his beer because he wanted to save face and didn’t want others to see him drinking beer without foam.
"There's also talk online about this method being used to take photos of beer," Takagi said, looking through online information on his phone. "This way, beer with lots of foam will look delicious."
"I remember you were the photographer, right?" Inspector Megure said, examining Ogino Keisuke. "Then you'll naturally know this method."
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