DC Database
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It was used in the construction of Superman's Supermobile, as well as a jail for Brainiac. According to Superman, he forged it out of the heart of a star, similar to how the Atom obtained his costume. Superman used it to

Supermanium is apparently the hardest metal in the known universe; it is practically as indestructible as the Superman himself.

History

It was used in the construction of Superman's Supermobile, as well as a jail for Brainiac. According to Superman, he forged it out of the heart of a star,[1] similar to how the Atom obtained his costume. Superman used it to construct a rocket to securely protect radioactive material waste from being exposed on its journey in space.[2]


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Links and References

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