Keinoin
Keinoin is a fictional material concept used in speculative science and science fiction to discuss advanced properties of matter. It does not correspond to any real element or compound described in peer-reviewed literature.
The origin of the name is unclear and it appears in various works. It is sometimes described
In most contemporary fictional depictions, keinoin is a nanostructured or two-dimensional material with extreme stiffness, low
Potential applications in fiction include lightweight spacecraft hulls, high-capacity energy storage, quantum devices, and smart materials
In scholarly fiction and thought experiments, keinoin functions as a tool to discuss tradeoffs in materials