I don't know if I dreamed this or read the idea somewhere. It would be to have a nuclear reactor submerged in a canal (achieving cooling) and it could be propel

I don't know if I dreamed this or read the idea somewhere. It would be to have a nuclear reactor submerged in a canal (achieving cooling) and it could be propelled (via tracks on the side) from place to place. Don't pump the water, move the heat source!