Blast from the Past - 11/1981 Artificial limb research uses pulsed infrared system From: IEEE Computer Magazine - 11/1981 - page 129 The principle behind the Boston Arm is that biological signals from the brain, intended for the now-missing limb, can be detected in the stump and used to control an artificial elbow in a natural way. Read the entire article at: http://www.computer.org/csdl/mags/co/1981/11/01667176.pdf Links: Robert W. Mann—The "Boston Arm" (with video 1:03) http://mit150.mit.edu/multimedia/robert-w-mann%E2%80%94-boston-arm Boston Arm http://webmuseum.mit.edu/detail.php?type=related&kv=1167&t=subjects Engineering design education and rehabilitation engineering http://www.rehab.research.va.gov/jour/02/39/6/sup/mann.html Boston Elbow (“Arm”) Prototypes, Robert Mann, 1966–1973 http://museum.mit.edu/150/10 LTI Boston Digital Arm Systems for Adults http://www.liberatingtech.com/products/elbows/LTI_Boston_Digital_Arm_Systems_for_Adults.asp