The result of dividing by zero.
person1: holy shit! you just created a zhao in the time-space continuum!! what did you do??
person2: i divided one by zero. my bad.
person1: isn't that zhao magnificent?
person2: it's just the derivative of a vertical portion of the function...
a comp sci major who
1. makes fun of chunmeng as a cs major
2. corrects chunmeng's grammar
3. scares her with his cos project
4. claims his project to be easy to understand
5. considers his pictures pretty
6. insists on his wrongness
7. is pure
do you know zhao?
yea. the pure kid