Vitreography (art form) fine art rendition of the Ken Burns effect, giving new dimension and life to still images. Both the particular art form and the application of the term "vitreography" were pioneered by the French-American artist Jean-Pierre Weill, Weill having trademarked the word in 1992. Painting on successive glass panes to add real-world dimension to a depiction is seen by some as the natural bridge between the arts of sculpting and painting. What distinguishes vitreography from other stacked glass pane paintings is that each level of a vitreography largely maintains its independence, creating scenes within a larger scene rather than a singular
Cameo glass in pottery. Judging from the very limited number of survivals, cameo glass was apparently produced in two periods: the early period about 30 BC to 60 AD, and then for about a century from the late-3rd century to the period of Constantine the Great and his sons. The latter period also saw a brief court revival of the art of gem-carving, which had been in decline. All these dates are somewhat tentative, and it is possible that smaller gem-like pieces of cameo glass continued to be produced between these periods. Glass from the later period is even rarer than from