Very interesting technology! It's obviously safer than conventional reactors for the reasons outlined in the article, but I'm certainly not convinced that we should now deploy thousands of these new reactors on the sea as proposed. The by-product is still a radioactive material that can be repurposed as ammunition for dirty bombs etc. Why make it easier for nutters to get their hands on radioactive materials? We should be aiming to keep the number of nuclear reactors to a bare minimum, in tightly controlled state operated facilities. Remember the american guy who collected hundreds of smoke detectors so he could harvest the radioactive material from them to manufacture a dirty bomb in his basement?