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The First ever KenKen Contest is going to be held on Oct 30, at the Chappaqua Library, in Westchester County, NY. Sign up for the First Ever KenKen Contest I wish I could be there, but I’ll be rallying for sanity (imagine that!) in Washington that day. Bone up on your KenKen at The Math [...] … there is no reason to feel that someone must be “bad at math” to make mistakes. Clearly, if a mathematician can have a foggy day, then so can others. It doesn’t mean you’re “bad at math.” [...] As much as I like puzzles, I’ve come to think of math as about the ultimate puzzle. Not in the sense of it being confusing (because by its nature it aims at reducing confusion and creating clarity), but in the sense that it has logical rules but requires creativity to understand and use in any meaningful sense . [...] Today is Martin Gardner’s 95th birthday. [...] There are many things to be aware of when doing these kinds of “tests.” First is that they are a scam to get you to give them your cell phone number, so they can then spam you with tons of crap you are not interested in. [...] My team-mate (my wife) and I had been stumped by a corner of the puzzle from last Friday. It was driving us nuts (who the heck is Al Leitner?). Anyway, we usually get ‘em all within a day or two, but this one was tough, so I hit the web and googled some clues. I don’t like to cheat (OK, I do, but my wife has a little more backbone than I, and she usually won’t let me look up an answer until we’ve given it a few days). [...]
Original Photo by Norsehorse Edited by Brian Ah, I love it when readers beat me to the punch! The comments to the original post pretty much sum up the paradox and it’s solution very well. Khaled’s and Mark’s comments illustrate perfectly one of the things I wanted to point out about this [...]
Original Photo by Norsehorse Edited by Brian There’s a braintwister that’s been going around the internet, well, probably ever since there was an internet. It’s actually probably thousands of years old in one version or another. You may have seen it phrased like this: Three men go into a motel. The man behind [...] This post is concerned with a very interesting problem, called “The Traveler’s Dilemma.” There is a very good article about it, written by it’s creator, Professor Kaushik Basu, in the June, 2007 issue of the Scientific American. The article begins: “When playing this simple game, people consistently reject the rational choice. In fact, by acting [...] Maybe you are one of the lucky (such a subjective word!) ones who got the Math Mojo Monthly Newsletter (“Comes out Monthly, Mostly!”) today. I finally sent it out to a few hundred subscribers. I hope you like it. The lesson of the week was about a cool way to convert Celcius to Fahrenheit, and [...] |
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