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Tuesday, 7 March 2017

Fukushima sows death in robots

After the tsunami that caused a nuclear accident in Fukushima, the Japanese authorities now want to rid the site of any radiation. Number two reactor would contain 600 tons of radioactive fuels . If the estimate of radiation was initially in the hundred sieverts, the measurements now indicate a level of 530 sieverts per hour . This is a problem for Tepco , the company responsible for overseeing waste treatment.

Indeed, its exploratory robots all experienced failures due to radioactivity. Even the prototype from Toshiba that offers substantial protection ended at 3 meters from its target . These failures are explained by the presence of alpha, beta and gamma radiation . The latter particularly weakens the wiring and damages the electronic circuits. However, the stakes are high and the company will have to reach its objective by 2021.

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