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iCandy: Remote Control

Gadgets that reach where we can’t go, help the imperiled, and spot problems both physical and cognitive

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Photo: Xu Suhui/Xinhua/Landov
The SmartCopter ZN-2 unmanned remote-controlled helicopter, developed by the Shandong Electric Power Research Institute, is being used to inspect a 220-kilovolt electric power transmission line in Shouguang, in China’s Shandong province. One worker who helps maintain the line says the tool has cut inspection time by more than 90 percent.
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