Ms. Okazaki Saito Apartment

"Why can't we go!" Yuan Tai protested loudly. "We are a young detective team!"

"Shut up!" Mouri Kogoro, who was sitting in the passenger seat of the police car, directly intimidated him with a loud roar like a hairdryer. "Children, don't get involved in this kind of trouble!"

"But if you don't let us go, we will have two adults and five children here," Mitsuhiko reminded. "If you don't let us go, the next bus will pick us up.

The detective’s brother’s car shouldn’t be able to carry us, right?”

"Don't worry about these problems," their tour guide looked at Mitsuhiko with a smile. "In this case, I will return to the nearby tour guide station to rest for a while, and then I will take you to continue to visit the beautiful scenery of Osaka after the situation is over."

"So, you just wait here honestly, do you understand?" Mouri Kogoro said unhappily. "Leave this kind of professional work to professionals. You should seize the time to rest, and then taste Osaka's delicious food.

That’s the business! I’ve been running around everywhere every day, and I haven’t even tasted Osaka’s food since then. Do you really have the nerve to say that you’ve been to Osaka?”

"Okay, kids," Dr. Agasa patted Genta and Mitsuhiko on the head. "Listen to Uncle Mouri and wait for the police headquarters car to pick us up and take us to Hattori's house to rest for a while. I promise to take you out to eat well tonight.

Food. Look, even Qianyu and Xiaoai didn’t follow.

Behind them, Qianyu and Haibara Ai just quietly accepted the gazes of Mitsuhiko and others looking back.

"There are already the top detectives in Kansai over there," Qianyu shrugged. "There's no need for us to get involved. After all, they are technical murderers. If they target you and me, there won't even be anyone who can collect the bodies."

"What about Conan?" Ayumi was obviously worried.

"He is following Hattori Heiji," Qianha spread his hands. "Don't worry, wherever Hattori Heiji is there, there will be almost unconditional support from the entire police headquarters. They are not murderers who can approach and assassinate them anyway.

of."

Unless... Qianyu thought about this possibility in his mind. Unless the body falling on the car is really not a coincidence, but inevitable...

…………

About 30 minutes later, the police car was driving on the road.

"Is it always so congested here?" Mitsuhiko looked at the large number of cars in front of him.

"I don't know, but this section is prone to traffic jams." Officer Otaki said helplessly in the driver's seat. "Obviously there are no such things as more lanes, fewer lanes, or traffic lights, but there are always large-scale traffic jams from time to time, and

Once it is blocked, it will be blocked for a long time.”

"The lanes are not reduced, and there are no traffic lights?" Mitsuhiko's eyes widened. "Then why is there congestion here?"

"There are too many cars," Yuantai replied. "It would be much better if there were fewer cars, right?"

"But why do so many vehicles cause traffic jams?" Mitsuhiko asked rhetorically. "I mean, in a place like this where there are no lane reductions and no traffic lights, how did the traffic jam occur in the first place?"

The whole place was silent.

"It happens as it comes." Qianyu glanced at Mitsuhiko. "Is there any special reason for this?"

"Then how did 'whatever happens' come about?" Mitsuhiko continued to play the role of a curious baby.

"Uh-" Qianyu sighed. "Let me give you an example. If everyone is driving forward now, and then the car in front suddenly brakes, what do you think Uncle Otaki will do?"

"Then..." Mitsuhiko glanced at the vehicle in front. "It must be braking?"

"Then what will happen to the cars behind?" Qianyu continued to ask.

"Then, of course, I'd better choose to brake!" Mitsuhiko continued to answer.

"Other vehicles behind will also slow down, can you understand?" Qianyu continued to ask.

"Yeah." Mitsuhiko nodded.

"Next question," Qianyu asked again. "Although we apply the brakes immediately after seeing the car in front braking, we can only find out when the car in front decelerates significantly, and it also takes time for us to apply the brakes, and deceleration is more It takes time. In other words, there may be a time difference of one or two seconds from when the car in front slows down significantly to when our car slows down significantly. Can you understand this?"

"Then, there is almost a similar delay when a car accelerates. One car has a delay of two seconds, and thirty cars have a delay of one minute. This is equivalent to saying that if the first car starts to brake or step on the accelerator, the second car will delay after nearly a minute. It takes thirty vehicles to start moving. Once the seemingly small delays for each driver are added up and continue to be transmitted, the total delay will be quite long."

"Concerning this, I have read the documents of a programmer named Taku Itakura a few years ago," Dr. Agasa also turned his head. "Because the braking and accelerator actions between each car require a Reaction time is passed on, so if you look at it from directly above, the actions of braking and accelerator will be transmitted from the car in front to the car behind like water waves, just like the ripples caused by a stone on the water."

"In view of this characteristic, he asked his friends to do an experiment - he invited thirty-one of his friends to drive at a constant speed on a circular track. Please note that he specifically asked his friends to drive at a constant speed. Although the track is not long, there is still enough distance between the front and rear of the thirty-one vehicles to ensure safe driving. But despite this, after about ten minutes, chaos still occurred on the entire circular track."

"Really?" Mitsuhiko was surprised.

"It's true," Dr. Ali nodded. "Later, his friends said that after driving for a while, the car in front suddenly moved very erratically, sometimes faster and sometimes slower, just like a drunkard who had drunk alcohol. As a result, they can only adjust their speed at any time. In fact, the reason why the car in front is going fast and slow is precisely because the car in front of the car also faces the same problem as this car - each of the more than thirty people One person's artificial adjustments to his own car will affect the next car, and the changes in the next car will affect the next car in a more complex way. And then it will affect the entire cycle. , and allow the impact you have to go through a cycle and then affect yourself and everyone else again.”

At this moment, the intercom system of the police car suddenly rang. "Otaki, can you hear me?"

"I can hear you, what's wrong?" Officer Otaki quickly connected to the intercom system and responded.
Chapter completed!