Here comes the Young's Modulus, with its buddy, the Ultimate Strength. If you load a drill pipe beyond its Ultimate Strength, sooner or later the pipe snaps and whacks you - in the head. So your bloody 'protective' hard-hat finds its way into your 'protective' steel-caps boots. You can mumble magic spells, or pray to the God of All Drill Pipes, or take a proper grip on your favorite semi-automatic. The law-respecting Wicked Flying Pipe does not care less. By law, it must whack. The Law of Physic...