Difference between revisions of "Unobtainium"
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* Fuels or explosives with impossibly high energy density. | * Fuels or explosives with impossibly high energy density. | ||
This term has appeared at least once in science fiction<ref>''The Core''</ | This term has appeared at least once in science fiction<ref>''The Core''</ref>, describing a material with impossible properties. Many science fiction materials actually fit this description, though. | ||
==References== | ==References== | ||
Revision as of 17:52, 8 June 2009
Unobtainium is a term coined by engineers to describe materials that do not exist. When you find that the material properties required for a particular function cannot be met by an material known to modern science, the material that you need is unobtainium. Examples include:
- Metals with impossibly high melting points.
- Structural materials with impossibly high tensile strength.
- Fuels or explosives with impossibly high energy density.
This term has appeared at least once in science fiction[1], describing a material with impossible properties. Many science fiction materials actually fit this description, though.
References
- ↑ The Core