C2005 1800 Possibilities to Change the World

To put it bluntly, Qin Luo had wasted 1800 seconds. He might be able to come up with a theory that could change the world every second!

"Professor Qin, do you know what the 1800 seconds you wasted just now represent?" Cheng Jianping said.

What did it mean? Didn't it mean time? What else could it mean?

After thinking for a while, Qin Luo carefully asked