Working with SAIL, Scheiman developed the arm and hands for computers. The electric prosthetic Rancho Arm was developed by Rancho Los Amigos Hospital and has connected to the computer. To control the arm, buttons were designed, pressed by the tongue of the user. Scheinman’s major task was to maintain the arm, but it was harder because the accuracy issues and inverse kinematics were difficult to calculate. Read more

October, 1962