AirToob Lightning
“What if I took a swim in a typical spent nuclear fuel pool? Would I need to dive to actually experience a fatal amount of radiation? How long could I stay safely at the surface?”

Click the picture, or go here, for a serious answer to this somewhat macabre question, typical of many other hypothetical but interesting questions answered by physicists weekly on this site.

BTW... A source close to home tells me that UK companies are now holding executive events at Chernobyl (which is now a nature reserve). She knows this because she was asked to arrange one!