Those are just for pre-storage (cooling) before the long term storage which will need to be 10,000 to 1 million years before all radioactive materials decay to levels that pose negligible risk to ...

Does the proton decay? While this was a famous prediction of Grand Unified Theories (GUTS) developed in the 1970s and 1980s, experimentalists have ruled it out—or rather, put lower limits on its ...