In Northern Australia the indigenous people have ancient stories for the place where the uranium is found. They say a great creation spirit sleeps underground, and disturbing this spirit will unleash disaster. Dr Derek Muller takes us on a remarkable journey to see how from the ashes of Hiroshima, uranium promised a new age. The same power that destroyed the city will be harnessed to generate unprecedented amounts of energy and treat cancer. We had woken the nuclear dragon, and disaster was waiting.