A Preliminary Comparison of Body-wearable Computers to Modern Audio Equipment in a Microgravity Environment Matthew Dooris, Michael Moorman,Bryan Gregory, Marilyn Brown, and Heather Wright Abstract The capabilities of body-wearable computers (BWC) and modern audio equipment were compared in a micro-gravity environment. In the experiment carried out, the speed of performance on timed tasks was compared for BWC and the audio playback devices currently used by astronauts. The BWC provided faster performance times than audio equipment when used in a micro-gravity environment. In addition, the BWC was found to provide faster performance times in normal gravity than in zero gravity. However, no formal studies using the BWC have been conducted in micro-gravity although they have been suggested [2]. Most research has shown that the BWC can be effective in reducing time and effort in task performance. For example, research conducted at Carnegie Mellon University discovered that a typical inspection procedure required 40% less time using the BWC than using the conventional procedure [1]. In contrast, Ockerman [6] found that the BWC performed slower and less efficiently (albeit not significantly) than a book of instructions when completing an origami (the ancient Japanese art of paper folding). Astronauts currently use audio
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