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Ideologies of Labor and the Consequences of Toil in India’s Construction Industry
Adam Sargent 한국외국어대학교 HK 세미오시스 연구센터 2021 Signs and Society Vol.9 No.3
This article examines the semiotics of labor through an analysis of a construction skill training program in Delhi. It focuses on recurring struggles between students and administrators over the nature and consequences of the activities they engaged in at the training center. Drawing on the notion of language ideology, it argues that students and administrators invoked different ideologies of labor in framing the value and meaning of productive activities. Under different ideological framings, productive action had the potential to transform the subject in radically different but equally unstable ways. While students worried that engaging in “labor work” could transform them into abject laborers, administrators tried to shore up the notion that “practical” would make students into successful workers. More generally, the paper suggests that attending to ideologies of labor can nuance accounts of how labor transforms subjects and social worlds.
Kim, K. H.,Watson, Dan M.,Manoj, P.,Forrest, W. J.,Furlan, Elise,Najita, Joan,Sargent, Benjamin,Herná,ndez, Jesú,s,Calvet, Nuria,Adame, Lucí,a,Espaillat, Catherine,Megeath, S. T.,Muz American Astronomical Society 2016 The Astrophysical journal Supplement series Vol.226 No.1
<P>We present our investigation of 319 Class II objects in Orion A observed by Spitzer/IRS. We also present the follow-up observations of 120 of these Class II objects in Orion A from the Infrared Telescope Facility/SpeX. We measure continuum spectral indices, equivalent widths, and integrated fluxes that pertain to disk structure and dust composition from IRS spectra of Class II objects in Orion A. We estimate mass accretion rates using hydrogen recombination lines in the SpeX spectra of our targets. Utilizing these properties, we compare the distributions of the disk and dust properties of Orion A disks with those of Taurus disks with respect to position within Orion A (Orion Nebular Cluster [ONC] and L1641) and with the subgroups by the inferred radial structures, such as transitional disks (TDs) versus radially continuous full disks (FDs). Our main findings are as follows. (1) Inner disks evolve faster than the outer disks. (2) The mass accretion rates of TDs and those of radially continuous FDs are statistically significantly displaced from each other. The median mass accretion rate of radially continuous disks in the ONC and L1641 is not very different from that in Taurus. (3) Less grain processing has occurred in the disks in the ONC compared to those in Taurus, based on analysis of the shape index of the 10 mu m silicate feature (F-11.3/F-9.8). (4) The 20-31 mu m continuum spectral index tracks the projected distance from the most luminous Trapezium star, theta(1) Ori C. A possible explanation is UV ablation of the outer parts of disks.</P>
Spiral density waves in a young protoplanetary disk
Pé,rez, Laura M.,Carpenter, John M.,Andrews, Sean M.,Ricci, Luca,Isella, Andrea,Linz, Hendrik,Sargent, Anneila I.,Wilner, David J.,Henning, Thomas,Deller, Adam T.,Chandler, Claire J.,Dullemond, American Association for the Advancement of Scienc 2016 Science Vol.353 No.6307
<P>Gravitational forces are expected to excite spiral density waves in protoplanetary disks, disks of gas and dust orbiting young stars. However, previous observations that showed spiral structure were not able to probe disk midplanes, where most of the mass is concentrated and where planet formation takes place. Using the Atacama Large Millimeter/submillimeter Array, we detected a pair of trailing symmetric spiral arms in the protoplanetary disk surrounding the young star Elias 2-27. The arms extend to the disk outer regions and can be traced down to the midplane. These millimeter-wave observations also reveal an emission gap closer to the star than the spiral arms. We argue that the observed spirals trace shocks of spiral density waves in the midplane of this young disk.</P>