31,694 research outputs found
Variations on the Author
No full text“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
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System Dynamics: A Disruptive Science: A Conversation with Jay W. Forrester, Founder of the Field
No full textThis is a lightly edited transcript of the first half of the Fireside chat with Professor Jay Wright Forrester (JWF) held on July 24, 2013 at the 31st system dynamics conference in Cambridge, MA. Interviewer is Khalid Saeed (KS). Bob Eberlein facilitated the conversation
Tectonics, lithology, and climate interaction in the landscape evolution of Talesh Mountain Range (NW Iranian Plateau)
No full textThe present-day landscape of the NW Iranian Plateau in the Arabia- Eurasia continental collision system results from the interplay between internal and external forces at different temporal scales. The Talesh Mountains along the NW margin of the plateau represent characteristics of a transient landscape that is the combined result of the spatial variability of rainfall, bedrock erodibility, and active tectonics. The erosion rates obtained from cosmogenic meteoric 10Be range from ⁓100 to 400 m/Myr, with lower values in the interior, and higher values in the plateau exterior which correlates with topographic metrics. Thermochronometry data and river inversion analysis from our 10Be erosion rates dataset, suggest that strain partitioning may have been active at least since ∼10 Ma. We can infer that during the last ~10 Ma a large wavelength process was synchronous with localized shortening and thickening in the Talesh Mts. The configuration of high precipitation, steepness values, millennial meteoric cosmogenic 10Be erosion rates, and longer-term exhumation rates in the eastern flank of the range probably started to develop during the last 10 Ma and led to the progressive coincidence of focused precipitation and tectonic activity. Such feedback may have been amplified during the ∼ 6 to 3-Myr-old base-level drop of the Caspian Sea. Consequently, we suggest possible long-term feedback among tectonics, topography, and surface processes/runoff variability in the Talesh Mts. The erosion rates are set by tectonic activity and the efficiency of these processes which are driven by climate, together with lithology control the orogenic architecture
Nilai-nilai ekonomi dalam Al-Qur'an: Penerapan metode kontekstualisasi Abdullah Saeed
No full textPenelitian ini menggunakan jenis penelitian kualitatif dengan menggunakan metode deskriptif dalam penyajiannya dan metode kontekstualisasi Saeed dalam analisisnya. Adapun langkah-langkah metode dari Saeed; Pertama, analisa kebahasaan terkait kata dalam teks yang dikaji. Kedua, konteks sastrawi dan kaitannya dengan ayat sebelum dan sesudahnya. Ketiga, rekonstruksi konteks makro 1 dari segi politik, ekonomi, budaya dan lain sebagainya. Keempat, mengeksplor teks-teks paralel dari al-Qur’an dan hadis. Kelima, menentukan hirarki nilai. Ketujuh, mendeskripsikan penafsiran dari generasi ke generasi. Keenam, memahami konteks penghubung dari penafsiran antara generasi-generasi tersebut.
Tujuan dari penelitian ini adalah untuk mengetahui penafsiran tentang ayat-ayat yang berkaitan dengan nilai-nilai ekonomi menggunakan metodologi tafsir yang ditawarkan Abdullah Saeed dan untuk mengetahui relevansinya dengan pemaknaan konteks saat ini. Hasil penelitian ini menunjukkan bahwa upaya-upaya mendapatkan kekayaan adalah melalui usaha dan distribusi, dan upaya menumbuhkembangkan kekayaan adalah dengan mengelola harta dan sumber daya, serta upaya penggunaan kekayaan adalah melalui distribusi ZISWAF (Zakat, Infaq, Sedekah, Wakaf).
Adapun prinsip perekonomian dari penelitian ini yaitu; tidak melampaui batas atas harta dan perbuatan Qs. Al-Syura[42]:27; pembagian rezeki adalah hak prerogatif Allah Qs. Fa>t}ir[35]:2, Qs. Yunus[10]:107, Qs. Saba[34]:36, Qs. Hud[11]:6; mendistribusikan harta di jalan Allah sesuai kemampuan Qs. Al-T{ala>q[65]:7, Qs. Al-Baqarah[2]:195; baik harta yg disukai Qs. Al-Baqarah[2]:267; membebaskan budak Qs. Al-Nu>r[24]:33; seimbang atas usaha dan ibadah Qs. Al-Jumu’ah[62]:10; mendayagunakan fasilitas yang ada dengan jalan kebaikan (halal) Qs. Al-Isra>[17]:12; kepemilikan absolut hanya milik Allah Qs. Yunus[10]:55, 66; saling tolong menolong dalam kebaikan Qs. Al-Ma>idah[5]: 2, Qs. Sha>d[38]:24, Qs. Al-Baqarah[2]:148, Qs. Al-Ma>idah[5]:48
Timing of fluorite mineralization and exhumation events in the east Central Alborz Mountains, northern Iran: constraints from fluorite (U–Th)/He thermochronometry
No full textAbstract The recently developed fluorite (U–Th)/He thermochronology (FHe) technique was applied to date fluorite mineralization and elucidate the exhumation history of the Mazandaran Fluorspar Mining District (MFMD) located in the east Central Alborz Mountains, Iran. A total of 32 fluorite single-crystal samples from four Middle Triassic carbonate-hosted fluorite deposits were dated. The presented FHe ages range between c. 85 Ma (age of fluorite mineralization) and c. 20 Ma (erosional cooling during the exhumation of the Alborz Mountains). The Late Cretaceous FHe ages (i.e. 84.5 ± 3.6, 78.8 ± 4.4 and 72.3 ± 3.5 Ma) are interpreted as the age of mineralization and confirm an epigenetic origin for ore mineralization in the MFMD, likely a result of prolonged hydrothermal circulation of basinal brines through potential source rocks. Most FHe ages scatter around the Eocene Epoch (55.4 ± 3.9 to 33.1 ± 1.7 Ma), recording an important cooling event after heating by regional magmatism in an extensional tectonic regime. Cooling of the heated fluorites, as a result of thermal relaxation in response to geothermal gradient re-equilibration after the end of magmatism, or exhumation cooling during extensional tectonics characterized by lower amount of erosion are most probably the causes of the recorded Eocene FHe cooling ages. Oligocene–Miocene FHe ages (i.e. 27.6 ± 1.4 to 19.5 ± 1.1 Ma) are related to the accelerated uplift of the whole Alborz Mountains, possibly as a result of the initial collision between the Afro-Arabian and Eurasian plates further to the south.Abstract The recently developed fluorite (U–Th)/He thermochronology (FHe) technique was applied to date fluorite mineralization and elucidate the exhumation history of the Mazandaran Fluorspar Mining District (MFMD) located in the east Central Alborz Mountains, Iran. A total of 32 fluorite single-crystal samples from four Middle Triassic carbonate-hosted fluorite deposits were dated. The presented FHe ages range between c. 85 Ma (age of fluorite mineralization) and c. 20 Ma (erosional cooling during the exhumation of the Alborz Mountains). The Late Cretaceous FHe ages (i.e. 84.5 ± 3.6, 78.8 ± 4.4 and 72.3 ± 3.5 Ma) are interpreted as the age of mineralization and confirm an epigenetic origin for ore mineralization in the MFMD, likely a result of prolonged hydrothermal circulation of basinal brines through potential source rocks. Most FHe ages scatter around the Eocene Epoch (55.4 ± 3.9 to 33.1 ± 1.7 Ma), recording an important cooling event after heating by regional magmatism in an extensional tectonic regime. Cooling of the heated fluorites, as a result of thermal relaxation in response to geothermal gradient re-equilibration after the end of magmatism, or exhumation cooling during extensional tectonics characterized by lower amount of erosion are most probably the causes of the recorded Eocene FHe cooling ages. Oligocene–Miocene FHe ages (i.e. 27.6 ± 1.4 to 19.5 ± 1.1 Ma) are related to the accelerated uplift of the whole Alborz Mountains, possibly as a result of the initial collision between the Afro-Arabian and Eurasian plates further to the south
Exploring Emptiness: An Investigation of MA and MU in My Sonic Composition Practice
No full textThe commentary investigates Japanese aesthetics of space, silence and emptiness - ma and mu - that informed my compositional practice during the research period 2012 - 2015. The portfolio comprises text compositions and sound installations in which forms of micro events and sustained events are employed. Throughout, the emphasis is on my personal engagement with, and manifestation of emptiness that concerns a particular model of listening and perception.
Chapter 1 discusses six primary research areas: ma and mu, material, text, form, listening and perception. Firstly, I introduce ma and mu by examining noh culture and Zeami's teaching of senu hima (where there is no-action) in the context of my personal approaches to music. The following subjects are then used to contextualise my PhD practice by means of examples from various composers and visual artists. Here, these particular and enigmatic concepts are explored through Japanese art as well as Western contemporary works by Alvin Lucier, Eliane Radigue and those of the Wandelweiser collective.
Part 2 provides contextual commentaries on selected compositions from the portfolio that mostly articulate my aesthetics in relation to the topics covered in Chapter 1. koso koso addresses my methodologies to investigate the essence of senu hima, followed by treow that discusses my approach to materials and the importance of space. I move on to grade two and grade two extended in order to examine text scores, and then, look into Espèces d'espaces 03 and 04 as examples of musical forms that I employ.
Finally, listening and perception are investigated through the compositions gnome and con.de.structuring. Throughout, I describe how my works explore emptiness as a result of my particular emphasis on listening over composing
The construction of Karen Karnak: The multi-author-function
No full textThis thesis is situated within the comparatively recent developments of Web 2.0 and the emergence of interactive WikiMedia, and explores the mode of authorship within a Read/Write culture compared to that of a Read/Only tradition. The hypothesis of this study is that the role of the audience has become merged with the author, and as such, represents new functions and attributes, distinct from a more conventional concept of authorship, in which the roles of audience and author are more separate. Read/Write and participatory culture, as defined by this study, is focused on collaboration, and includes the influences of D.I.Y. culture, Open-Source practices and the production of text by multiple authors. Multi-authorship presents a re-thinking of several concepts which support the notion of the individual author, since the focus of multi-authorship is not on attribution and ownership of a finished text, but on the continued malleability of a text. Modes of multi-authorship, demonstrated in the use of the pseudonyms Alan Smithee and Karen Eliot, represent declarative authors whose names signify multiple origins, whilst concurrently indicating a distinct body of work. The function of these names form an important context to this study, since primary research involves the construction of an experimental mode of multi-authorship utilising WikiMedia technology and the interaction of thirty nine participants, who are invited to create a body of work under the collective pseudonym Karen Karnak. The data generated by this experiment is analysed using aspects of Michel Foucault's author-function to identify and determine power structures inherent in the WikiMedia context. The interplay of power structures, including concepts such as identity, ownership and the body of work, affect the resulting mode of authorship and contribute to the construction of Karen Karnak, suggesting further areas of research into the emerging multi-author
A note on Kim-Ma characterization of the Hilbert ball
No full textThis is an open access article under the CC BY license.[No abstract available]Kortney Rose Foundation, KRF, (2002-070-C00005); National Research Foundation of Korea, NRF* Corresponding author. E-mail addresses: [email protected] (K.-T. Kim), [email protected] (D. Ma). 1 Research supported in part by the grant KRF 2002-070-C00005 from The Korea Research Foundation
Localized physical vapor deposition via focused laser spike dewetting of gold thin films for nanoscale patterning
No full textFocused laser spike (FLaSk) excitation has been demonstrated as a reliable technique for the patterning of micro-to-nanoscale features locally by thermocapillary shear of thin films. Recent work on polymer thin films has revealed that overlapping laser scans can leverage coupled thermal and fluid effects to create subwavelength patterns. Compared to polymeric films, metallic thin films possess both a lower melt viscosity and higher surface tension. Here we investigate overlapping effects in the dewetting of ~15 nm gold thin films on borosilicate and quartz glass substrates with a 532 nm continuous wave laser. During this process, FLaSk initiates capillary and thermocapillary dewetting simultaneously. Further, the low oxidation potential and high vapor pressure of gold lead to non-equilibrium vaporization during heating. Since the parameters of overlapping scans control the amount of material that is heated and to what temperature it is heated, selection of laser power, scanning distance, writing speed, and numerical aperture results in particles with different sizes and spacing deposited on the writing substrates or a positioned superstrate through a laser-induced localized physical vapor deposition (LILPVD) process. If the laser parameters are selected within a specific working range, uniform or periodic particle distributions can be repeatably deposited in this fashion, which can then be used as seeds for nanomaterial growth. In addition, if the substrate melts during FLaSk, the viscous forces of the liquid-on-liquid dewetting broadens the range of patterning conditions by resisting the motion of the gold leading to more uniform particles over a large range of parameters.Peer reviewe
Ma Huan (original author), Wan Ming (ed.) Ming chaoben " Yingya shenglan " jiaozh
No full textPtak Roderich. Ma Huan (original author), Wan Ming (ed.) Ming chaoben " Yingya shenglan " jiaozh. In: Archipel, volume 71, 2006. Autour de la peinture à Java. Volume II. pp. 240-244
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