This conversational robot companion has cameras in its eyes, which allow it to track patients and use appropriate facial expressions and body language in its interactions.
这个会说话的机器人伴侣眼睛里装有摄像头，可以监视病人，并在互动过程中使用恰当的面部表情和肢体语言。
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To allow more room for cameras and other electronics, Megill's team took cues from the knifefish, which keeps its body rigid to sense electric currents in the water.
Research subjects fitted with goggles that stream video from cameras strapped to another person (or mannequin) can experience that body as their own, neuroscientists say.