The Sakura, resembling a small tank, is designed to assess damage at the Fukushima Dai-Ichi nuclear reactor buildings, especially the basement areas. A key ability will be climbing stairs with changing slopes. (Source: Chiba Institute of Technology's Future Robotics Technology Center)
With erupting concern over police brutality, law enforcement agencies are turning to body-worn cameras to collect evidence and protect police and suspects. But how do they work? And are they even really effective?
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