[marze]

If a solution does the job, it does the job. In the six years since the meltdowns, they've been building these robots, which up until this year, have all failed.

With an electronics-free periscope, they could have saved five years. And keep in mind, the radioisotopes are still flowing into the ocean this whole time.

[aluhut]

I'm pretty sure the accident in Fukushima accelerated the development in this niche. Especially in Japan.