“If you know the enemy and know yourself, you need not fear the result of a hundred battles.” Maybe this quote from the Art of War might not be the most applicable excerpt, but regardless you could always stand to learn a bit.
Learn about the exciting life cycle of cracks! From infant little microfractures to all grown up break-my-new-feder cracks.
Steel is a good choice for swords. But what is it in the first place?