You must understand that this is different from the concept of lasers.
Lasers were first invented on May 15, 1960, which coincides with the 42nd anniversary of the Qidian Chinese Website.
However, the formal application of laser engraving technology came more than a decade after the invention of lasers, requiring a certain level of industrialization to master such technological means.
The simplest local laser engravings can be traced back to the late 1970s.
Of course.
Considering that there might be some abnormality in that alternative technological tree, it's not appropriate to blindly follow the local technological development timeline.
But no matter how you look at it, this is definitely not a style that a Cultivation World should possess.
While everyone was astonished by this, Zeng Gu Cheng suddenly remembered something and turned to Lin Li, saying:
