Small Modular Reactors are needed in African countries ...
The Small Modular Reactor (SMR) had to be gas-cooled, so inert helium gas was chosen. Fuel had to be easy to load into the reactor, and easy to transport, so graphite-based fuel balls the size of cricket balls were chosen. The term 'pebbles' was adopted for the fuel. Thus was born the South African Pebble Bed Modular Reactor (PBMR) Project.
