584 research outputs found

    Exploring the case for simplification of the copyright framework: report of proceedings

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    "Beyond copyright": law, conflicts and the quest for practical solutions

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    Fashion designs and brands: the role of the informed user and the average consumer

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    The notions of the informed user and average consumer occupy centre stage in design and trade marks disputes. The current European Union legal framework exposes a tension between these notions as legal constructs informed by normative objectives, and the need to connect them with the business reality of design and trade mark practice. This article investigates how litigation concerning fashion design and brands addresses this tension and shapes the definition and application of legal tests for the informed user and the average consumer. It analyses key criteria that determine who these notional persons are, and how those criteria are applied when performing assessments that combine abstract legal standards with information acquired from the experience that real users and consumers make of fashion designs and brands

    Fabrication of FeSi and Fe3Si compounds by electron beam induced mixing of [Fe/Si]2 and [Fe3/Si]2 multilayers grown by focused electron beam induced deposition

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    Fe-Si binary compounds have been fabricated by focused electron beam induced deposition by the alternating use of iron pentacarbonyl, Fe(CO)5, and neopentasilane, Si5H12 as precursor gases. The fabrication procedure consisted in preparing multilayer structures which were treated by low-energy electron irradiation and annealing to induce atomic species intermixing. In this way we are able to fabricate FeSi and Fe3Si binary compounds from [Fe=Si]2 and [Fe3=Si]2 multilayers, as shown by transmission electron microscopy investigations. This fabrication procedure is useful to obtain nanostructured binary alloys from precursors which compete for adsorption sites during growth and, therefore, cannot be used simultaneously

    Holographic generation of highly twisted electron beams

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    Free electrons can possess an intrinsic orbital angular momentum, similar to those in an electron cloud, upon free-space propagation. The wavefront corresponding to the electron's wavefunction forms a helical structure with a number of twists given by the \emph{angular speed}. Beams with a high number of twists are of particular interest because they carry a high magnetic moment about the propagation axis. Among several different techniques, electron holography seems to be a promising approach to shape a \emph{conventional} electron beam into a helical form with large values of angular momentum. Here, we propose and manufacture a nano-fabricated phase hologram for generating a beam of this kind with an orbital angular momentum up to 200â„Ź\hbar. Based on a novel technique the value of orbital angular momentum of the generated beam are measured, then compared with simulations. Our work, apart from the technological achievements, may lead to a way of generating electron beams with a high quanta of magnetic moment along the propagation direction, and thus may be used in the study of the magnetic properties of materials and for manipulating nano-particles.Comment: 4 pages, 4 figures - Supplementary Material (3 pages and 2 figures) accompanies this manuscrip

    La ricerca in pedagogia

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    According to the author the pedagogical research has two convoys: the first epistemological (theoretical and historical), the other praxeology (experimental and empirical). Traveling together these two trains offer us the opportunity to see the face of critical pedagogy, or the reflexive dimension of doing research in education that translates better to the concept of action ricerca-azione. The most interesting aspect that emerges from this investigation is that the investigation is never separated from the ‘action and results that follow are never objective and definitive

    La rotonda dell’educazione: la famiglia

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    Di fronte ai rischi della globalizzazione e della standardizzazione di mo- delli culturali, comportamenti e valori, la famiglia rappresenta un ba- luardo a difesa della singolarità. Una singolarità che può vincere le sfide contemporanee solo se dotata di riferimenti culturali ed etici solidi, improntati all’apertura e alla solidarietà. Dunque la società odierna necessita di genitori capaci di educare i propri figli a una singolarità dotata di valori culturali, civili ed esistenziali che permettano loro di orientarsi nella società massificata attuale. I genitori devono poter essere primattori rispetto a una serie di nodi cruciali, dall’invasività dei media all’alimentazione ecc. Deve dunque essere favorita una relazione tra scuola e famiglia che consenta ai genitori di entrare in un dialogo reale e costruttivo con i servizi educativi disinnescando la contrapposizione e la diffidenza reciproche che hanno preso piede nell’ultimo decennio nel nostro paese
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