Tang Ren: "This means we are very close to the place where the Yin energy is strongest~~
The place involved in the case must be nearby!
Follow the pointer and fine-tune the position, and you should be able to find it~~
By the way, didn’t that big idiot also buy moxa sticks~~
The group leader can try lighting an moxa stick, and the moxa smoke can also be directed at the negative energy.
Especially now that we are underground, the direction of the moxa smoke is very useful~~"
This Shen Ting knew.
He watched short videos!
The moxa smoke will flow towards cold water, or even colder ice.
Rather than pointing to negative energy, it is more accurate to say that it points to places with low temperatures.
To put it bluntly, it is actually the thermal expansion and contraction and air flow in junior high school physics!
Chen Ting took out a moxa stick and lit it up for Captain Zheng, who looked puzzled.
Then ask everyone not to move and try to hold their breath.
In underground spaces, moxa smoke will drift towards places with intense air flow.
This can help you find hidden spaces!
The ancient practice of using mugwort smoke to find water was based on a similar principle.
Although everyone was confused, they still did as Shen Ting said.
The mugwort smoke also soon drifted out!
And the speed was surprisingly not slow, it floated directly to a corner of the garage!
After the smoke had stabilized, the group immediately went to that corner.
On the side wall, there is a blue sign——
Ventilation shaft!
But it wasn't finished yet. There were yellow warning signs and blue fences on the ground.
A lot of garbage piled up on the side!
Ventilation shafts run throughout the building.
Use heat pressure or wind pressure to make the air flow from bottom to top to complete the ventilation of the building.
“The air flow in the shaft is intense, so it’s normal for the moxa smoke to be directed here.
But the compass also points here, which is interesting.”
After the trace inspection confirmed that it was safe, Shen Ting crossed the fence and came to the side of the shaft.
His eyes narrowed immediately afterwards.
In theory, the principles of vertical shafts and chimneys are similar. The air flow goes upward, and the moxa smoke should also go directly upward.
However, after the moxa smoke entered the vertical shaft from the moxa stick, it was "pulled" downward for a while, and the smoke was also very turbulent, and then it was suddenly lifted up and floated upward quickly.
“That’s not right!”
Shen Ting frowned slightly.
This is the opening of the vertical shaft in the underground garage. The air flow may not be straight up and down.
But this shaft, like the garage, has not yet been built.
There are exposed mud and rocks on both sides, which have not been hardened.
At the bottom, it also looks closed, so the air shouldn't be able to flow to other locations.
You can only be sucked upwards!
Then the moxa smoke has no reason to go downwards and will not be dispersed.
These phenomena indicate that the air flow below is very complex.
“A simple vertical shaft is a relatively simple air flow system.
It’s not too complicated!
Unless there is an opening below the shaft, introducing a new airflow and causing the entire system to become turbulent."
Shen Ting said directly:
"I want to go down to the bottom of the shaft."
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