Until they become sentient and ultimately lead to the destruction of human kind. Oh, wait, that's a movie. Anyway, we'd love to introduce you to the Bionic Handling Assitant, and the crazy mechanical arms that they are. And yes, those are pincers at the end of those long metallic trunks. The company behind the pair of arms believes these will improve some integral pieces of the machine/human equation, but we think they may terrify some folks.