An article about my work with Flickr photographs — in which I noticed that blended digital photos make orange — appeared on The Atlantic website today. If you’re interested in reading my paper on the subject, “Emergent Orange”, you’ll find it in the publications section of this website. For the record, I am a bit […]

Whit McMahon, a puzzle constructor, wrote to me recently to share a new kind of puzzle he created last year called Balance Quest®. In these numeric logic puzzles, you fill in blanks so that the sum of each box is made by adding the numbers in the adjoining half-height boxes. Note that some of these […]