Summary: A prosthetic device, called the LUKE (Life Under Kinetic Evolution) Arm, was developed by DARPA under the DEKA project, which is part of the agency’s BRAIN Initiative efforts.

US Army veteran Fred Downs smiles as US Army Veteran Artie McAuley(R) is shown with his LUKE prosthetic arm, New York June 30, 2017. © Timothy A. Clary / AFP