For a long time, such a material capable of switching between a mirror state and a transparent state was not found, but in 1996 a group in the Netherlands discovered a hydride of a rare earth, such as yttrium or lanthanum, switches between a mirror state and a transparent state under the influence of hydrogen. Such a material is conventionally referred to as a "switchable mirror"
Soladigm is developing next-generation green building solutions with a global impact. By bringing together a world-class team and resources from the glass, optical coatings, and semiconductor industries. Soladigm is funded by top-tier venture capital firms Khosla Ventures and Sigma Partners.