It was an obsolete design before they even started.
A modern nuclear power plant using a pebble bed reactor could be the size of a couple of Portakabins, with a third Portakabin to contain the wellies and gardening gloves you'd need to handle the fuel.
A modern nuclear power plant using a pebble bed reactor could be the size of a couple of Portakabins, with a third Portakabin to contain the wellies and gardening gloves you'd need to handle the fuel.