Si Nan transmigrated to the Tang Dynasty and became the teacher to the princes and princesses.
It didn't matter that he couldn't teach the Four Books and Five Classics. He could teach the princes and princesses science instead.
Under his care was a whole bunch of little brats: Li Tai, Li Zhi, Princess Yuzhang, Princess Chengyang, Princess Gaoyang, and Princess Jinyang, also known as Xizi.
"Father, Father, look! Our teacher says there's a gas in the air called oxygen. So the strange illness in Tibet is altitude sickness!"
"Father, Father, look! Our teacher just made a telescope. It lets you see things dozens of miles away as if they're right in front of you!"
"Father, Father, look! Our teacher crossbred rice that can yield a thousand catties per mu!"
"Father, Father, look! Our teacher made cement. It's so convenient for building roads and castles!"
"Father, Father, look! Our teacher made a train that can travel a thousand li in a day!"
But how did teaching them end up turning the Tang Dynasty's...
This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.