Eighty-six moaning jailbirds have complained it was "impossible" to find a solution to a Sudoku puzzle published in their local paper. Convicted robber Michael Blatchford, aged 33, and fellow lag ...

OpenAI, as if trying to break its own record for the most confusing product lineup in history, has released two new AI models for ChatGPT: OpenAI o3 and OpenAI o4-mini.

Prisoners at a British jail have written to their local newspaper complaining that the weekly Sudoku puzzle is impossible to complete.

Mathematicians say a hidden pattern called the 'Phistomefel Ring' can help you solve even the most challenging Sudoku puzzle much faster.

So next time you encounter an impossible Sudoku, rest assured you're in good company. The entire quantum physics community, and perhaps even Zeus himself, knows exactly how you feel.

And so this was indeed an impossible sudoku, with no way to fill out the grid. The smallest possible sum of the initial numbers in the grid was 1+1+1+1+2, or 6.

So next time you encounter an impossible Sudoku, rest assured you’re in good company. The entire quantum physics community, and perhaps even Zeus himself, knows exactly how you feel.

What makes them so great in that way is that they are these impossible Sudoku puzzles, so you never get bored of trying to solve them ...

Eighty-six moaning jailbirds have complained it was "impossible" to find a solution to a Sudoku puzzle published in their local paper.

So next time you encounter an impossible Sudoku, rest assured you’re in good company. The entire quantum physics community, and perhaps even Zeus himself, knows exactly how you feel.