"Edward? A video call?"
"Now?"
Zhao Yi was surprised as he looked at the time. His and Edward's schedules had a twelve-hour time difference, with noon in the capital being midnight on the other end.
However, he still accepted the call. As soon as the screen opened, he saw Edward's dark circles and bloodshot eyes.
"How long have you been awake?" Zhao Yi asked, astonished.
"Eighteen hours? Twenty? No, actually, over twenty." Edward Witten seemed a bit disoriented, but also quite spirited, "Zhao Yi, do you know what I've discovered?"
Zhao Yi responded casually, "I think you should get some sleep first, or I might think you're sleepwalking."
"No, of course not."
Edward Witten shook his head vigorously, "I have to share this news with you. I've proven M Theory, or, more specifically, the mass points in multidimensional space."
"Mass points?"