This is the sixth and final installment in a series. To read from the beginning find part 1 here, part 2 here, part 3 here a, part 4 here and part 5 here. Pebble-bed high-temperature reactors Pebble-bed high-temperature reactors get their name from the fact that the nuclear fuel is packed in tennis-ball sized spheres (“pebbles”), rather than […]