Making rad maps with robot dogs

In 2013, researchers carried a Microsoft Kinect camera through houses in Japan's Fukushima Prefecture. The device's infrared light traced the contours of the buildings, making a rough 3D map. On top of this, the team layered information from an early version of a hand-held gamma-ray imager, displaying the otherwise invisible nuclear radiation from the Fukushima Daiichi Nuclear Power Plant accident.

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