Slow Glass takes its theme from the titular substance, an invention of scence fiction writer BobShaw described in his novel Light of Other Days(1968). Slow Glass is a transparent material that tremendously slows down the speed of light that passes through it, so that a piece that had looked out
on a picturesque countryside setting, for example, could later be used to provide a view of the pastoral scene from a city apartment window.
In Shaw's novel, slow glass plays a key role as evidence in a mystery by