A political economy of signs would be both qualitative and quantitative, not purely “cultural”, because there will always be “last instances”. Those last instances will be sufficiently determinative, even over-determined, complete with multiple entry points. http://www.behance.net/… What causes a mirage? – ScientificAmerican https://www.scientificamerican.com/article/what-causes-a-mirage/ Mirages are a direct result of photons taking the path of...