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James Martin/CNET For Fukushima's nuclear disaster, robots offer a sliver of hope On March 11, 2011, the worst nuclear disaster in history hit like a bomb. Even now, robots are just getting close enough to see how bad it really is. Roger Cheng Editor's note: This story originally ran on March 4, 2018, and we're reposting it for the 10th anniversary of the Fukushima Daiichi nuclear disaster to give readers a sense of the technology being employed to fix this enormous problem, which continues today. To learn more about the ongoing cleanup efforts, read Japan's...

The rendering was put together through a combination of existing blueprints and laser mapping generated from data amassed by survey robots sent into the reactor buildings. As we get deeper into Unit 1, the details fade away, since no one really knows what's inside the core of the reactor and below, referred to as the primary containment vessel and the pedestal. Itochu Techno-Solutions designed the user interface and application, which incorporated data from the JAEA and Tepco. The system includes data from Units 1, 2 and 3 at Daiichi, which all still have varying degrees of radioactive materi...