You’ve probably watched a martial arts movie and seen karate students dressed in different colors. What do these colors denote, and are they all the same? The simple answer is they are not. In Karate, ...

Like most martial arts originating from Asia, karate has an interesting etymology. Translating the names of these martial arts often tells us a lot about the art and the philosophy behind them. For ...

Create a new item with item_1 = Item.new(4, 5, 6, 5) - the arguments are its 3 dimensions followed by weight. It's likely it would have been more useful to output an array of hashes rather than ...