“Host, you are about to load the sci-fi adventure system, please be prepared”

“Three Body”.

“Wandering Earth”.

“Interstellar”.

“Gravity”.

“Mars Rescue”.

Uh …

As the youngest full-time professor of mathematics in the history of Jiangcheng University, Pang Xuelin was a bit stressed.

Uh …

The hardest science fiction, the best times.