What nuclear weapon is made of

A weapon based on a fission chain reaction or fusion.

• Plutonium sphere — has part. A plutonium core.
• Implosion explosive lens — has part. It compresses the core with an explosion.
• Neutron initiator — has part. It starts the chain reaction.
• Chain reaction — uses. An uncontrolled chain reaction.
• Uranium — uses. Uranium-235 or plutonium.

Nuclear weapon

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