Buried something?
In the Criminal Investigation Brigade Office, He Song and Hu Daqiang were both startled, their gazes involuntarily falling upon Lin Chuan.
Lin Chuan, however, shook his head, "To be precise, there is a small gap in between; if it was completely buried in soil, it would not achieve the purpose of transmitting sound. Even if there were sounds, the waves would not be stable enough."
He Song was the first to raise a question,
"Lin, your conjecture is reasonable and well-founded, but I want to ask, we have checked thoroughly, and we also used a detector just now, there was no metal response nor any electricity. Even if there is a small gap, how does it transmit sound out?"
This question had also stumped the two detectives.
It was an area they rarely touched upon.