Category: Updates

Is minesweeper an NP problem?

Kaye showed that the minesweeper puzzle is NP-complete by reducing instances of SAT (satisfiability of formulas of propositional logic) to instances of th...

What is y notation in cubing?

Y signifies the rotation of the cube to the left 90 degrees. Z signifies the rotation of the cube clockwise 90 degrees. These cube rotations are used in a...

What are common favorite words?

Most Popular Favorite Words Effort. Sincerity. Freedom. Peace. Love. Thoughtfulness. Trust. Thanks. What is the most Favourite word? Top-ten favourite wor...