Can you solve the GCHQ Christmas challenge?  When I was asked this question by the BBC, I thought no!… But then I sat down, committed to the first puzzle, relaxed, gave it some time and with a bit of mental struggle, it came to me… and it felt great!!  Read more here: https://www.bbc.co.uk/news/articles/cn8gv7g576eo.amp The year's... Continue Reading →