LESSON: The first sign that this is a bad idea is that the Amazon description of the grappling hook clearly states “not recommended for climbing.” A further glance at some of the reviews reveals ...

Despite the incredible growth of the online video market, it's still quite early in the game. Although popular, it's certainly not ubiquitous. And despite developments in video advertising technology- ...

MIT student and DIYer crreed shows us how to build a grappling hook out of a fire extinguisher and a nerf gun. The gun is actually not that complicated to build; the hardest part, crreed says, is ...