This Scorpion-Shaped Robot Will Enter One of Fukushima’s Reactors

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The nuclear power plant’s owners still don’t know exactly what is going on inside the three reactors that melted down

The three reactors that melted down at Fukushima Daiichi’s nuclear power plant are still quite dangerous. Radiation levels remain too high for humans to enter. But the reactors need to be fully decommissioned and repaired. So robots are rolling in to give experts some eyes on the inside. For Popular Science, Mary Beth Griggs reports on the latest mechanical helper, which should make its foray into the plant at the end of August.