sudoku

We're no experts on night-vision technology, especially under water, but this is one item that seems to have extremely limited utility. As far as we can tell, the "Marine 2" scope is a waterproof device that provides night vision but with only 2x magnification and apparently no camera.

So unless you're in dire need of doing crossword puzzles or reading something up-close in the pitch-dark seas, we're not quite sure why anyone would want to spend 295 pounds (about $588) for one of these Spycatcher gadgets. Moreover, if this is meant to be a covert … Read more

You always knew there's an art to Rubik's Cubes, but it turns out there's more than you thought.

The street-art Space Invader folks, taking a break from surreptitious outdoor installations of vintage video-game mosaics, have branched out into using collections of Rubik's Cubes as an artistic medium.

They produced a number of simple Space Invaders mosaics, but more impressive are the larger photo mosaics--for example, the Clockwork Orange character made from a grid of 171 cubes. The phrase Stanley Rubikscubrik springs to mind.

Meanwhile, for traditionalists, there are new advances in the Rubik's Cube brain-teaser … Read more

ThinkGeek, Brookstone and others are now selling a touch screen Sudoku handheld for about $20. The Excalibur Electronics device is filled with Sudoku puzzles chosen by legendary New York Times crossword editor Will Shortz.

For those of you unfamiliar with the brain game, Sudoku consists of an 81 square, nine-by-nine grid pre-filled with a few numbers. The player fills in the remaining squares by determining what number each square needs in order to create a balance of numbers 1 through 9 for each row, column and nine-square block. (The game can also be played with nine shapes.)

The New York Times Touch Screen Sudoku Handheld … Read more