> the briefcase is sure to turn into a pile of molten radioactive sludge Nah those have already existed for a long time: https://en.wikipedia.org/wiki/Radioiso

> the briefcase is sure to turn into a pile of molten radioactive sludge Nah those have already existed for a long time: https://en.wikipedia.org/wiki/Radioisotope_thermoelectric_generator https://en.wikipedia.org/wiki/Radioisotope_thermoelectric_ge...