Crosswords Make Use of Trivial Information

It may be of some interest to note, in this connection, that the crossword puzzle became a popular form of diversion in America at just that point when the telegraph and the photograph had achieved the transformation of news from functional information to decontextualized fact. This coincidence suggests that the new technologies had turned the age-old problem of information on its head: Where people once sought information to manage the real contexts of their lives, now they had to invent con...

 Redundancy of English language is a Goldilocks zone for C...

In Shannon’s terms, the feature of messages that makes codecracking possible is redundancy. A historian of cryptography, David Kahn, explained it like this: “Roughly, redundancy means that more symbols are transmitted in a message than are actually needed to bear the information.” Information resolves our uncertainty; redundancy is every part of a message that tells us nothing new. Whenever we can guess what comes next, we’re in the presence of redundancy. Letters can be redundant: be...

 Novelty is Good for the Brain

There is unanimous agreement among neuroscientists and psychologists that the human brain operates best when it is regularly subjected to new challenges. We have recently discovered that the brain benefits from a broad variety of problem-solving activities such as crossword puzzles and Sudoku. There also appear to be benefits when we mix these activities up: doing crosswords puzzles for a while and then switching over to Sudoku, and later, back again. The same goes for changing daily routines...