Tbh as long as you didn't dive too deep you would be fine. The danger of radioactivity is massively exaggerated. Very little would be able to penetrate even a few feet of water
Yes. The nuclear fuel rods at the bottom are decaying neutrons. Which collide with water molecules in the pool and cause them to heat up. This begins to make the water boil so that the steam turns a big turbine wheel.
@matrix Kagamine Rin - Meltdown