1 From Co-Location to Co-presence: Shifts in the Use of Ethnography for the Study of Knowledge, forthcoming in Social Studies of Science.

more specifically in laboratory studies. By using co-presence rather than co-location as a starting point to conceptualise and articulate fieldwork, new aspects of knowledge production are foregrounded in ethnographic studies. This research note proposes and discusses co-presence as an epistemic strategy that pays close attention to non-lab based knowledge production; that can embrace textuality, infrastructure and mediation; and that draws into relief the role of ethnographer as author, participant-observer and scholar. Furthermore, co-presence as an approach to doing fieldwork generates new prospects for the study of knowledge production. It enables STS to develop the ethnographic study of highly mediated, distributed or non-lab-based fields, such as the humanities, e-research and e-science