
A British veteran uses a specially designed artificial arm to hammer a nail, 1942. The prosthetic was supplied by England’s Ministry of Pensions, created in the midst of WWI to help vets and their dependents.
People have been devising fake arms, legs, noses and virtually every other body part for centuries. Here, a quick look at some of the devices that humans have invented to replace -- or at least approximate -- the irreplaceable.

A British veteran uses a specially designed artificial arm to hammer a nail, 1942. The prosthetic was supplied by England’s Ministry of Pensions, created in the midst of WWI to help vets and their dependents.