ements ▁or ▁dispute ▁each ▁other , ▁and ▁how ▁they ▁gain ▁professional ▁standing ▁and ▁financial ▁resources ▁to ▁do ▁their ▁work . ▁By ▁describing ▁r het or ical ▁and ▁inform al ▁communication , ▁such ▁as ▁phys ic ists ▁talk ▁about ▁their ▁detect ors , ▁Tra week ▁att ends ▁to ▁the ▁context ual ization ▁of ▁disc ourse . ▁Her ▁work ▁illustr ates ▁that ▁knowledge ▁practices ▁occur ▁not ▁only ▁in ▁the ▁mind , ▁but ▁also ▁in ▁emb od ied ▁forms ▁such ▁as ▁appar atus , ▁symbol ic ▁representation , ▁journ als , ▁institutions , ▁hab its ▁of ▁bodies , ▁and ▁rout ines ▁of ▁practice . ▁ ▁The ▁modes ▁of ▁inqu iry ▁Tra week ▁has ▁employed ▁include ▁collect ing ▁or al ▁histor ies , ▁conduct ing ▁arch ival ▁research , ▁and ▁performing ▁eth n ographic ▁field work . ▁Her ▁research ▁on ▁astronom ers ▁and ▁phys ic ists ▁has ▁focused ▁on ▁large , ▁distributed ▁collabor ations ▁that ▁circul ate ▁through ▁a ▁very ▁few ▁labor ator ies ▁glob ally . ▁Her ▁book , ▁Be am times ▁and ▁L if et imes , ▁is ▁an ▁eth n ographic ▁study ▁of ▁discipl inary ▁formation ▁within ▁a ▁research ▁community . ▁It ▁took ▁a ▁broad ▁eth n ographic ▁approach ▁to ▁studying ▁phys ic ists ▁and ▁labor ator ies ▁by ▁describing ▁the ▁lif et imes ▁of ▁members ▁in ▁the ▁community , ▁the ▁ways ▁of ▁artifact s ▁populate ▁and ▁imp inge ▁on ▁the ▁culture , ▁descri ptions ▁of ▁scientific ▁practice , ▁and ▁the ▁eth n ograph er ’ s ▁ref lections ▁on ▁her ▁own ▁role ▁as