Nuclear reactors have been used to generate electricity for decades. The past, present and future of nuclear reactors and nuclear power is discussed in this episode, with guests:

- Helmuth Boeck, Retired Professor from the Technical University of Vienna

- Aline des Cloizeaux, Director of the Division of Nuclear Power at the IAEA

- Ben Heard, Senior Consultant at Frazer Nash Consultancy in Australia

The experts explain how a nuclear reactor generates electricity, as well as the advantages and challenges of nuclear power.