The futures of power

Some may recall, or have read about, those heady days when history allegedly ended, as the Berlin Wall collapsed(3). When the wall came down it seemed to may observers as if, with the end of communism at least in Europe the only threat to existing democratic political power was vanquished. Liberal, plural democracy, the open society and open organizations seemed to stretch as a vista into a future full of promise offering peace in our time, with all its assumed dividends, and the triumph neither of the will nor the state but of decent, ordinary democracy. Surely the chance to build a better world of organizations was imminent

Scalable Peer-to-Peer Streaming for Live Entertainment Content

We present a system for streaming live entertainment content over the Internet originating from a single source to a scalable number of consumers without resorting to centralized or provider-provisioned resources. The system creates a peer-to-peer overlay network, which attempts to optimize use of existing capacity to ensure quality of service, delivering low startup delay and lag in playout of the live content. There are three main aspects of our solution: first, a swarming mechanism that constructs an overlay topology for minimizing propagation delays from the source to end consumers; second, a distributed overlay anycast system that uses a location-based search algorithm for peers to quickly find the closest peers in a given stream; and finally, a novel incentive mechanism that encourages peers to donate capacity even when the user is not actively consuming content

Fascicles and the interfascicular matrix show adaptation for fatigue resistance in energy storing tendons

Tendon is composed of rope-like fascicles, bound together by interfascicular matrix (IFM). Our previous work shows that the IFM is critical for tendon function, facilitating sliding between fascicles to allow tendons to stretch. This function is particularly important in energy storing tendons, which experience extremely high strains during exercise, and therefore require the capacity for considerable inter-fascicular sliding and recoil. This capacity is not required in positional tendons. Whilst we have previously described the quasi-static properties of the IFM, the fatigue resistance of the IFM in functionally distinct tendons remains unknown. We therefore tested the hypothesis that fascicles and IFM in the energy storing equine superficial digital flexor tendon (SDFT) are more fatigue resistant than those in the positional common digital extensor tendon (CDET). Fascicles and IFM from both tendon types were subjected to cyclic fatigue testing until failure, and mechanical properties were calculated. The results demonstrated that both fascicles and IFM from the energy storing SDFT were able to resist a greater number of cycles before failure than those from the positional CDET. Further, SDFT fascicles and IFM exhibited less hysteresis over the course of testing than their counterparts in the CDET. This is the first study to assess the fatigue resistance of the IFM, demonstrating that IFM has a functional role within tendon and contributes significantly to tendon mechanical properties. These data provide important advances into fully characterising tendon structure-function relationships

Colloidal templating at a cholesteric - oil interface: Assembly guided by an array of disclination lines

We simulate colloids (radius $R \sim 1\mu$m) trapped at the interface between a cholesteric liquid crystal and an immiscible oil, at which the helical order (pitch p) in the bulk conflicts with the orientation induced at the interface, stabilizing an ordered array of disclinations. For weak anchoring strength W of the director field at the colloidal surface, this creates a template, favoring particle positions eitheron top of or midway between defect lines, depending on $\alpha = R/p$. For small $\alpha$, optical microscopy experiments confirm this picture, but for larger $\alpha$ no templating is seen. This may stem from the emergence at moderate W of a rugged energy landscape associated with defect reconnections.Comment: 5 pages, 4 figure

Disciplining customers at the Grand Seaside Hotel

The Grand Seaside Hotel is a large five-star hotel in an Australian Coastal town. It is a place that not only aspires to provide excellent service but that also seeks to reconcile two apparently divergent demands: the need for customized service and the efficient management of business operations. To commit staff to the provision of service excellence, management has introduced a customer service programme that relies on various forms of training and rewards, as well as a guest response system. The customer service programme, particularly the use of guest questionnaires, appear as disciplinary strategies that aim to produce service encounters in which both staff and guests are 'normalized'. The main loci of ethnographic data collection for this paper are regular Management Briefings. Through data collected from these, the paper investigates the use of the 'imaginary' in constituting service encounters and guest expectations. It interprets these in terms of Foucault's Panoptic analysis to identify the immanent mechanisms of discipline in these customer service programmes

Compassion, power and organization

In this paper, we analyse the significance of compassion as an emotion in its relationship to various manifestations of power within the organisational context. We critique those theories of compassion that assume that compassion in organsational contexts is motivated only by a noble intent. The paper draws on a study of organisational responses to the flood that devastated the City of Brisbane Australia on the morning of 11 January 2011. We use a framework of 'circuits of power' to provide a triple focus on interpersonal, organisational and societal uses of power together with a model of coercive, instrumental and normative organisational power. We present our findings in a framework constructed by overlapping these frameworks. The unique contribution of this paper is to provide a conceptualisation of organisational compassion enmeshed with various modes of power exercised in and by organisations. © 2013 © 2013 Taylor & Francis

Effect of fatigue loading on structure and functional behaviour of fascicles from energy-storing tendons

Tendons can broadly be categorized according to their function: those that act purely to position the limb and those that have an additional function as energy stores. Energy-storing tendons undergo many cycles of large deformations during locomotion, and so must be able to extend and recoil efficiently, rapidly and repeatedly. Our previous work has shown rotation in response to applied strain in fascicles from energy-storing tendons, indicating the presence of helical substructures which may provide greater elasticity and recovery. In the current study, we assessed how preconditioning and fatigue loading affect the ability of fascicles from the energy-storing equine superficial digital flexor tendon to extend and recoil. We hypothesized that preconditioned samples would exhibit changes in microstructural strain response, but would retain their ability to recover. We further hypothesized that fatigue loading would result in sample damage, causing further alterations in extension mechanisms and a significant reduction in sample recovery. The results broadly support these hypotheses: preconditioned samples showed some alterations in microstructural strain response, but were able to recover following the removal of load. However, fatigue loaded samples showed visual evidence of damage and exhibited further alterations in extension mechanisms, characterized by decreased rotation in response to applied strain. This was accompanied by increased hysteresis and decreased recovery. These results suggest that fatigue loading results in a compromised helix substructure, reducing the ability of energy-storing tendons to recoil. A decreased ability to recoil may lead to an impaired response to further loading, potentially increasing the likelihood of injury