Virtual art Virtual art Virtual art is a term for the virtualization of art, made with the technical media developed at the end of the 1980s (or a bit before, in some cases). These include human-machine interfaces such as visualization casks, stereoscopic spectacles and screens, digital painting and sculpture, generators of three-dimensional sound, data gloves, data clothes, position sensors, tactile and power feed-back systems, etc. As virtual art covers such a wide array of mediums it is a catch-all term for specific focuses within it. Much contemporary art has become, in Frank Popper's terms, virtualized. Virtual art can be considered a post-convergent
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