The process hasn't changed much since the Civil War.
Two heads really are better than one
Implications for how we understand amputees and prosthetics
Dean Kamen and DARPA team up
James Young and his laser-lit, do-it-yourself Phantom Limb
No longer just for Oscar the cat
just link testing
Plus, the future of bionic limbs
The bionic arm
How gentle electric buzzes can give a man sensations in a hand he's lost
Like science, tech, and DIY projects?
Sign up to receive Popular Science's emails and get the highlights.