Kinetic art expressions based on optical and luminous phenomenon as well as painting illusionism. The expression "kinetic art" in this modern form first appeared at the Museum für Gestaltung of Zürich in 1960, and found its major developments in the 1960s. In most European countries, it generally included the form of optical art that mainly makes use of optical illusions, such as op art, represented by Bridget Riley, as well as art based on movement represented by Yacov Agam, Carlos Cruz-Diez, Jesús Rafael Soto, Gregorio Vardanega, or Nicolas Schöffer. From 1961 to 1968, GRAV ("Groupe de Recherche d’Art Visuel") founded by François
Illusion On-Demand after well over a decade of absence. Illusion will also be premiering the original independent sci-fi vidcast web series, Venus Rises, to television. Illusion maintained a science fiction portal site which features broadband video, a community and several related blogs. The site is home to "Transmitter" magazine, an online literary anthology which supports emerging genre writers. The developers behind Illusion originally owned a vodcasting cult movie network called "Clash TV". Clash TV was subsequently repackaged as "Zoe's Drive-In" show on Illusion's lineup. At the present time, the website appears to have expired as the website now displays a DirectInc page