The notion of perspective, when supported in an object-based knowledge representation, can facilitate better abstractions of realit y for modeling and simulation. The object modeling of complex physical and chemical processes is made more difficult in part due to the poor abstractions of state and phase changes available in these models. The notion of perspective can be used to create different...

Abstract William Lynch has persistently questioned the politics underlying my appeal to science and technology studies’ flagship symmetry principle. He believes that it licenses worst features of ‘post-truth condition’. I respond in two parts, first facing future second past. In part, argue principle will be crucial decisions society increasingly need make concerning inclusion animals machines ...