This paper presents concepts, content, status, applications and challenges of chat as used in the military context of secure net-centric command and control. It describes the importance of chat as it contributes to situation assessment and the common operating picture, which presents current collective knowledge of the battle space. The paper discusses… (More)
Military personnel need better ways to communicate in hostile, noisy, silence-mandated, and/or extreme environments. Typing on a keyboard is difficult and impractical while wearing comprehensive protective clothing. Wireless data gloves were researched and developed to transmit and receive ASCII code and other signals as hand gestures. Two categories of… (More)
Independent groups of subjects (n = 12) attempted to identify individual digits 0-9 using active or passive touch with a vibrotactile display (Optacon II). Repeated measures were taken on the hand factor. Number recognition was superior with active touch and with the left hand.
A six-year-old girl presented with gradual loss of vision in the left eye a year after sustaining a lightning strike while in her home. Examination revealed healed burns to her cheek, left arm, and right leg and a dense left cataract. There was no evidence of other ocular sequelae, and her right eye was normal. Cataract surgery and lens implantation were… (More)