Amazing

"When I was young, Grandpa and I played reasoning games. It wasn't until I entered senior high that I started winning once or twice against Grandpa in these reasoning games.

"It's very difficult for you to win if you compete with Grandpa in intelligence."

Li Jinnian's reply made Ye Jian understand what it meant to have a superior IQ. "Back then, our country suddenly stopped receiving support. At that time, they didn't have computers. They only had the abacus passed down by our ancestors.

"Grandpa and countless respected old scientists took their abacuses to the laboratory. Bundles of pencils and stacks of parchment paper filled the laboratory. The old scientists sat in the laboratory without the help of any computing equipment and took the remaining manuscripts that had been half burned. They used their abacuses to calculate day and night. They wrote the formulas on the parchment paper and placed the numbers on it.