Gu Jiao laughed, "That's not actually an Immortal Technique, it's science."
Xiao Hen was slightly taken aback, looking at her in confusion, "Science?"
Gu Jiao carefully chose her words and said, "The universe exists in multiple dimensions, each with its own space. There might be a car speeding past us right now, but because of the different space dimensions, we can't see each other."
Xiao Hen seemed to understand but also didn't fully grasp it.
However, he had read the entire National Book of Yan Country and absorbed a lot of mathematical knowledge that didn't originally belong to this time period. Compared to Gu Chengfeng, who couldn't digest such information at all, his acceptance level was much higher.
"Can you tell me more?" His curiosity was overwhelming.
Gu Jiao said, "Of course, let me think, where should I start to explain it to you."
