Google's "Harness²" has arrived. A 5-minute breakdown of how AI improves its tools by reorganizing the kitchen without changing the chef's skills

On October 9, 2026, Google's research team (Google Cloud AI Research) and Northwestern University posted the "Harness²" paper ...

Why a Sudoku-solving program looks smart: Recursion, backtracking, and the idea of 'trying from the most likely failure points'

I was thinking about a program to solve Sudoku.You fill a 9x9 grid with numbers from 1 to 9. The same number must not be ...