Nuclear weapon bomb works by initiating a nuclear chain reaction, which releases a huge amount of energy relative to conventional explosives. Per unit volume .\r \r FOLLOW ON: HOW IT WORKS playlist: .\r \r Lecture with Matthew Bunn, Associate Professor of Public Policy; Co-Principal Investigator, Project on Managing the Atom Slides from the presentation are .\r \r Nuclear Energy Explained: How does it work? Nuclear Energy is a controversial subject. The pro- and anti-nuclear lobbies fight furiously, and its difficult to .