When Xia was a little boy, he was so vulnerable and his place was always in a jumble that nobody played with him.
One day after he saw the steam vanished in the air he find it amazing. After asking the teacher way, the teacher goaded him and he started his thought about scientific research. Several years later, he went to NUAA. NUAA is renowned for its canteen for its hygiene and yummy food.
When in his tenth year in NUAA, he got some money. It's so timely that with it Xia invented an AC which can boil water. Every time in his course, he starts with preaching his invention and then get down to business. For us, its just like a convention.