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Accidents involving electric wheelchairs in Japan have increased as the nation's population ages. About half of all accidents are caused when the chair tips over sideways or backwards on a sidewalk. The authors have developed two kinds of safe technology intending to prevent such accidents. The first prevents the wheelchair from falling sideways on a sidewalk when the wheelchair is moving across the...
The environmental, social and economic impacts of videoconferencing in the USA and Japan were evaluated and compared quantitatively. For this purpose we used a new index, named the ldquogross social feel-good (GSF) indexrdquo, which was developed for evaluating both the positive and negative effects of ICT services. The impacts of videoconferencing in the two countries were different especially as...
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