Faced with the non-optional acceptance of toxic chemical artifacts, ubiquitous interweaving chemicals in our social fabric oft en exists out sight and mind. Yet, for many, exposures signal life-changing or life-ending events, phantom threats that fail to appear as such until they become too late mitigate. Assessments toxicological risk consist what Sheila Jasanoff calls “sociotechnical imaginar...

This paper introduces several approaches based on ant colony optimization for efficient scheduling the surveying activities of designing satellite surveying networks. These proposed approaches use a set of agents called ants that cooperate to iteratively construct potential observation schedules. Within the context of satellite surveying, a positioning network can be defined as a set of points ...