A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission or a combination of fission and fusion reactions. Both bomb types release large quantities of energy from relatively small amounts of matter.
@article{owidnuclearweapons,
author = {Max Roser, Bastian Herre and Joe Hasell},
title = {Nuclear Weapons},
journal = {Our World in Data},
year = {2013},
note = {https://ourworldindata.org/nuclear-weapons}
}