Sudoku

I’ve spent many a journey back home from work, struggling to fill in the blanks on the “easy” 9 X 9 square called Sudoku, feeling quite hollow & useless.  These boys from the Notre Dame University have developed an algorithm that solves Sudoku puzzles very easily, without backtracking! Their publication is here (even reading this was hard for me!)

EFF

No, that was not a swear word. Electronic Frontier Foundation, a non-profit organisation, is fighting the US legal system against the throttling of the Internet by Big Business, & which has implications for the rest of the world’s Internet users. They’ve just helped to win a case in the US which confirms that scanning books, in order to enhance research & to provide access to print-disabled individuals, is lawful. Read more about the EFF here