Lecture Hall.
The spacious classroom could hold at least five hundred people. It was where the entire Mathematics Department held public lectures or large assemblies.
Song He and Xie Kefu arrived early and waited for half a day. In total, just over forty students came to the classroom, scattered sparsely throughout the seats.
"The Mathematics Department is so shabby!" Song He looked around. "The Biology Department has strength in numbers. If they got into a fight, they'd crush the Mathematics Department!"
"Smart people who study mathematics are a minority, after all!" Xie Kefu said proudly.
At last, two old men appeared—Dean Cai and Professor Wang Taichu, one fat and one thin.
As soon as Wang Taichu entered the classroom, he collapsed into a seat in the very front row, looking as though he couldn't be bothered to move.
Dean Cai walked onto the podium, plugged the USB Drive into the computer, and lit up the large LCD screen at the front of the classroom. The desktop displayed the classic green grass and blue sky.
"First, let me confirm something. Everyone here signed up for the Lunar City Project, right?" Dean Cai switched on the microphone.
"Yes!" the students shouted in unison, their faces alight with excitement.
"First, I'll show everyone something new—the Space Window-Cleaning Bug!"
Dean Cai pulled a small object from his pocket and slapped it onto the blackboard with a smack.
All the students leaned forward, and many of them took out their glasses and put them on.
It was a metallic robotic bug about the length of a palm. Its body was slender and elongated, gleaming silver-white. At first glance, it resembled a mechanical watch's stainless-steel band.
It clung flat against the blackboard. Its body was divided into segments like a spinal column, resembling a caterpillar that