8,372 research outputs found

    Jacob Schlaephor, a case study in laser innovation and the unexpected

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    This report aims to counter some assumptions about the nature of industrial technology by exploring the creative potential of the distance inherent in laser materials processing between designer and manufactured product.A case study of an industrially based project involving the textile company Jakob Schlaepfer, St Gallen, Switzerland, will provide the research material and underpin the report. The case study presents the development and expansion, by Schlaepfer, of self-customised laser technologies and how different laser processes have come to form an integral part of the design and production process. We aim to offer through this historical picture of Schlaepfer’s commitment to new technologies and investments that encourage innovation, two propositions that are facilitated by the distance inherent in the creative use of lasers. Firstly, that it is possible to utilise technologies normally linked with impersonalised standardisation in production, to instead create experimental products; and secondly, that technologies normally used to repeat and replicate the unexpected unique capacities of traditional making, can-be in-themselves capable of un-programmed unpredictability<br/

    Easy on that trigger dad: a study of long term family photo retrieval

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    We examine the effects of new technologies for digital photography on people's longer term storage and access to collections of personal photos. We report an empirical study of parents' ability to retrieve photos related to salient family events from more than a year ago. Performance was relatively poor with people failing to find almost 40% of pictures. We analyze participants' organizational and access strategies to identify reasons for this poor performance. Possible reasons for retrieval failure include: storing too many pictures, rudimentary organization, use of multiple storage systems, failure to maintain collections and participants' false beliefs about their ability to access photos. We conclude by exploring the technical and theoretical implications of these findings

    The Fundamentals of Unemployment Compensation

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    [Excerpt] The joint federal-state Unemployment Compensation (UC) program provides income support through UC benefit payments. Although there are broad requirements under federal law regarding UC benefits and financing, the specifics are set out under each state’s laws. States administer UC benefits with U.S. Department of Labor (DOL) oversight, resulting in 53 different UC programs operated in the states, the District of Columbia, Puerto Rico, and the Virgin Islands. Total UC expenditures include benefits and administrative costs. During economic expansions, states fund approximately 85%-90% of all UC expenditures—as almost all of the benefits are state-financed by state unemployment taxes. In comparison, federal expenditures are relatively small during these expansions (approximately 10%-15%) in which federal expenditures are primarily administrative grants to the states financed by federal unemployment taxes

    Unemployment Insurance: Legislative Issues in the 116th Congress

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    The unemployment insurance (UI) system has two primary objectives: (1) to provide temporary, partial wage replacement for involuntarily unemployed workers and (2) to stabilize the economy during recessions. In support of these goals, several UI programs provide benefits for eligible unemployed worker

    Unemployment Insurance: Legislative Issues in the 115th Congress

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    [Excerpt] The 115th Congress continues to consider many issues related to the two major components of the unemployment insurance (UI) system: Unemployment Compensation (UC) and Extended Benefits (EB). This report provides short summaries of legislative proposals with respect to UI programs. It also gives a brief overview of the UI programs that may provide benefits to eligible unemployed workers. In addition, it briefly summarizes UI proposals included in the President’s budget for FY2018

    Rigid motions: action-angles, relative cohomology and polynomials with roots on the unit circle

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    Revisiting canonical integration of the classical solid near a uniform rotation, canonical action angle coordinates, hyperbolic and elliptic, are constructed in terms of various power series with coefficients which are polynomials in a variable r2r^2 depending on the inertia moments. Normal forms are derived via the analysis of a relative cohomology problem and shown to be obtainable without the use of ellitptic integrals (unlike the derivation of the action-angles). Results and conjectures also emerge about the properties of the above polynomials and the location of their roots. In particular a class of polynomials with all roots on the unit circle arises.Comment: 26 pages, 1 figur

    Modular symmetry and temperature flow of conductivities in quantum Hall systems with varying Zeeman energy

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    The behaviour of the critical point between quantum Hall plateaux, as the Zeeman energy is varied, is analysed using modular symmetry of the Hall conductivities following from the law of corresponding states. Flow diagrams for the conductivities as a function of temperature, with the magnetic field fixed, are constructed for different Zeeman energies, for samples with particle-hole symmetry.Comment: 15 pages, 13 figure
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