For Kids: Both simple and tricky codes can be made simply by substituting one letter or symbol for another. Learn about substitution ciphers and try your hand at decoding them!
Originally posted in May 2013, “Scarcity Culture” has become one of the most popular of my web posts. Have
One of my first blog posts ever, updated in 2015. I try very hard not to be sentimental about things.
A kids’ article, part of this week’s repost series. There’s a new version of Star Wars in select theaters, and