Thanks to modern mechanical prosthetics, complete with hydraulics and microprocessors, missing a limb needn’t mean missing much. Except when it comes to swimming. Artificial appendages for the water are still rudimentary: Most resemble clip-on canoe paddles for hands or kiddie flippers for feet—clunky versions of their nimble landlubbing brethren.
So, inspired by amputee sprinters like Aimee Mullins (whose extensive