Month: March 2013

  • NSA Puzzle

    The NSA recently declassified their Cryptolog internal magazine. I would like to share one gem from Cryptolog XIV, No. 1 – 1st Issue 1987: “NSA” PUZZLE The occurrence of “NSA” as a letter sequence in English words is rather uncommon. Some of the rare examples are show below. Fill in the blanks to reconstruct the…

  • The Ablogalypse Already Happened

    xkcd predicted that “The Ablogalypse” would occur in October 2012, it actually occurred in November. Pretty neat prediction though!