Report, if you have a problem with this page“ On why 300 years separates the first use of glass lenses in spectacles and their use in a telescope: “In many cases there are times when an invention is technologically possible – and in which it may indeed appear necessary, as the telescope may have – but without a market the idea will not sell, and in the absence of the technical and social infrastructure to support it, the invention will not survive. ”
James Burke
From : Connections