IVTM stands for In‐Vessel Transfer Machine. Fallen device retrieved from Japan fast-breeder reactor http://www.reuters.com/article/2011/06/24/us-japan-nuclear-monju-idUSTRE75N0H320110624 If it did not succeed, the result would have been much worse than Fukushima Daiichi. It is a proto-type fast breeder reactor cooled by liquid sodium that catches fire in contact with air. After previous accident (fire caused by sodium coolant […]