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Her home is suddenly so quiet. Abby Roby hasn’t touched anything since her son, Tristan, 23, passed away on Saturday. Not his bed, his wheelchair or the numerous medical devices. The stream of ...

Abstract: Wi-Fi signals-based person identification attracts increasing attention in the booming Internet-of-Things era mainly due to its pervasiveness and passiveness. Most previous work applies ...

Abstract: Figure-8 trajectories have been crucial paths especially for manned Moon missions. Figure-8 trajectories, also called free return trajectories, as their names refer, are 8-shaped ...