To crochet and sew this blanket, allot approximately 15 hours. The alternating color pattern creates a striking checkerboard ...

often leads to some surprising consequences as well like this set of algorithms for performing various calculations using nothing but a checkerboard. This is actually a demonstration of a method ...

If you see square waves in the sea that form a chessboard grid, you need to get out of the water immediately. Here's why.

A FISHING crew was stunned when they found themselves surrounded by a dangerous square wave phenomenon. Square waves are ...

This rare wave pattern occurs when two swells coming from different directions meet and form squares on top of the water, often resembling a checkerboard or grid. It's called a cross sea because ...