KATHMANDU, Oct 12: The two-day Nepal Green Hydrogen Summit has been concluded by brainstorming on issues such as the state of hydrogen production technology, investment potential and policy management.

Infographics: What is a hydrogen bomb?

September 6, 2017 00:11 am

North Korea says it tested a hydrogen bomb that can fit on a long-range missile. A hydrogen bomb, or thermonuclear weapon, uses the energy from a primary fission bomb to ignite a secondary nuclear fusion reaction. The result is the most destructive weapon ever created by man.