Fiction:Sirelum

Sirelum is an exotic type of dust-like matter, capable of forming solid structures under the influence of directed electromagnetic field. Sirelum was first discovered in the, where it was contained in small amounts in breakable glass containers. Likely created by over 3 billion years ago, Sirelum might have been used for engineering, weaponry or even terraforming. Currently Sirelum is very expensive and has very limited amount of uses, due to the lack of technology enabling its controlled manipulation.