Robots died while working at Fukushima

The robots sent in to find highly radioactive fuel at Fukushima’s nuclear reactors have “died”; a subterranean “ice wall” around the crippled plant meant to stop groundwater from becoming contaminated has yet to be finished. And authorities still don’t know how to dispose of highly radioactive water stored in an ever mounting number of tanks around the site.

Five years ago, one of the worst earthquakes in history triggered a 10-meter high tsunami that crashed into the Fukushima Daiichi nuclear power station causing multiple meltdowns. Nearly 19,000 people were killed or left missing and 160,000 lost their homes and livelihoods in the quake and tsunami.

Today, the radiation at the Fukushima plant is still so powerful it has proven impossible to get into its bowels to find and remove the extremely dangerous blobs of melted fuel rods, weighing hundreds of tonnes. Five robots sent into the reactors have failed to return.This part of the plant is so dangerous to humans, the plant’s operator, Tokyo Electric Power Co (Tepco) is developing robots, which can swim under water and negotiate obstacles in damaged tunnels and piping to search for the melted fuel rods.

-more at Reuters

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