Cobalt bomb

A cobalt bomb is a type of nuclear weapon that uses cobalt as part of its design. Cobalt is a chemical element found in rocks and metals. When a cobalt bomb is used, the cobalt mixes with materials in the environment and releases radiation. This radiation can damage or hurt people and the environment. In some cases, the radiation can even be deadly. A cobalt bomb is a very dangerous weapon and is not used often because of this.