506 research outputs found
Thomas Clarkson Papers
No full textThomas Clarkson (b. 1760 d. 1846) was a renowned English abolitionist who spent his adult life fighting to end slavery. As a leader in the British anti-slavery society, Clarkson was instrumental in getting the English Parliament to ban the slave trade in 1807 and to abolish the institution of slaver in 1833. The majority of this small collection is comprised of correspondence from Thomas Clarkson and his wife, Catherine, to her father, William Buck. Notable writings by Clarkson include the original essay An Liceat Nolentes In Servitutom Dare? [Is It Lawful to Make Slaves of Others Against Their Will?]. This essay, written in Latin, won the Chancellor's Prize at Cambridge College, England in 1785 and served as the basis for the expanded work, Essay on the Slavery and Commerce of the Human Species, Particularly The African published in 1786.
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Bestiaries the animal and the human in Mila Kundera's The Unbearable Lightness of Being and J.M. Coetzee's Disgrace
No full textIncludes abstract.In his book, The Open (2004), Giorgio Agamben suggests that the border between the human and the animal passes "first of all as a mobile border within living man". At stake in the construction of this border is a division of the human and the animal into separate and homogenous groups, and subsequently a denial of a multiplicity of life forms and experience. This relates to what Derrida (2004) has deemed "the self-interested misrecognition of what is called the Animal in general", and is something other critics working in the field of animal studies have discussed. In this thesis I read Milan Kundera's novel The Unbearable Lightness of Being and J.M. Coetzee's Disgrace in line with Agamben's notion of the fluidity of the human-animal border. The first chapter of this dissertation, 'Behaving like Animals', offers a reading of the biblical tale of Genesis and of the numerous sexual encounters in the novels that complicate the assumption of shame as being 'proper to man'. The second chapter, "Alternative lives, Alternative Deaths", challenges the idea of Driepoot's death in Disgrace as being "euthanasia" and, moreover, examines the complexities of mourning the death of what Jeff McMahan has deemed "beings on the margins of life", which includes both humans and animals. In my analysis of these novels, I have borrowed from different, seemingly disconnected, critical discourses. In some cases, this has meant "inserting" the animal into these theories in places where the animal was not explicitly named. This has meant putting pressure on existing lines of enquiry. My multi-disciplinary approach to theorising animals, and our relations to and with them, suggests different avenues for research in the growing field of animal studies
Spiritual dimensions of Guided Imagery and Music (Clarkson)
No full textThis is a review of the book "Spiritual dimensions of Guided Imagery and Music" authored by Ginger Clarkson.
Title: Spiritual dimensions of Guided Imagery and Music Author: Ginger Clarkson Publication year: 2017 Publisher: Barcelona Publishers Pages: 192 ISBN: 978194541128
Stable, high-power, single frequency generation at 532nm from a diode-bar-pumped Nd:YAG ring laser with intracavity LBO frequency doubler
No full textWe obtained 2.5 W of single-frequency TEMoo output at 532 nm using a Brewster-angled LBO crystal for intracavity second-harmonic generation in a diode-bar-pumped Nd:YAG laser. By inserting a thin uncoated étalon, the 1061.4 nm laser transition can be selected, generating 1.6 W of output at 530.7 nm
Christian Right "Dominionism" in the United States
No full textAn Introduction to Christian Right "Dominionism" in the United States by Frederick Clarkson. Adapted from Trumping Democracy. Routledge. 2019. Used by permission of the author
Thomas Clarkson and British-American Antislavery Connections
No full textThis thesis is being archived as a Digitized Shelf Copy for campus access to current students and staff only. We currently cannot provide this open access without the author's permission. If you are the author of this work and desire to provide it open access or wish access removed please contact the Wahlstrom Library to discuss permission.This thesis is a study of British and American cooperation in antislavery activities during the lifetime of Thomas Clarkson, with special attention to Clarkson's relation to these British-American connections. Thomas Clarkson, revered by American abolitionists and one of the greatest of the leaders in the antislavery movement, has been too long neglected by recorders of history. This thesis attempts to reawaken an awareness that once existed of Clarkson's important contributions to one of the noble humanitarian movements of the last century
Energy transfer in lanthanide complexes
No full textThis thesis details investigations into the photophysical properties of lanthanide ions in a number of different systems. The preparation and characterisation of lanthanide containing surfactant salts of the type Ln(A0T)(_3) (Ln = Tb, Nd, Eu, AOT = bis-(2-ethylhexyl) sulfosuccinate) is described. Small angle neutron scattering experiments have been used to determine the size and shape of reverse micelles formed by these surfactants in water/cyclohexane microemulsions. The luminescence lifetimes of the lanthanide ions have been used to investigate the solvation environment within reverse micelle systems as a function of water content. The use of lanthanide complexes based on 1,4,7,10-tetraazacyclododecane bearing phenanthridine antenna in luminescence microscopy has been explored. Samples such as silica particles, onion skin cells and guinea pig heart cells have been imaged. Time- resolved measurements have allowed time gating of the sample from a fluorescent background and lifetime maps of the images have been obtained. The preparation and characterisation of deuteriated complexes of dota (1,4,7,10- tetraazacyclododecane-1,4,7,10-tetraacetic acid) with lanthanide ions is described. Selective deuteriation of both the ring and arm sites allow the relative quenching effects of C-H/D oscillators to be determined for various lanthanides in a series of structurally well defined complexes. Finally, investigations into the distance dependence of the energy transfer between aromatic chromophores and lanthanide ions have been undertaken. The synthesis of a model system linking a phenanthridine donor to a europium complex by poly(valine) spacer units is described. Preliminary photophysical results show that the quantum yield of emission by europium decreases as the distance between the donor acceptor pair is increased
High power, diode pumped, single frequency lasers
No full textThis thesis presents experimental and theoretical work on the development of high power (i.e. multi-Watt) single frequency lasers, with the main emphasis on using intra-cavity second harmonic generation to produce high power visible output. With such a laser, pumped by a beam shaped 20W diode bar, we have obtained over 3W of TEM00 single frequency output at 532nm. Because of the strong non-linear effects introduced into the resonator cavity by the frequency doubler, the behaviour of the laser can be significantly altered. In particular, there is the previously unreported phenomenon of mode-hopping suppression, where the non lasing modes are suppressed by the nonlinear loss (due to sum-frequency generation with the lasing mode). This allows the lasing mode to be smoothly tuned over many mode spacings simply by scanning the cavity length. Tuning ranges of up to 80GHz have been measured, and are in good agreement with theoretical calculations. There are also some less desirable consequences of the high nonlinear loss, such as parasitic lasing, self misalignment, and bidirectional lasing, that have had to be overcome in order to achieve efficient operation.Ring lasers can provide, arguably, the most robust and stable single frequency operation. However care must be taken in their design to minimise spatial hole burning. Even a small amount of residual spatial hole burning can cause multi-frequency operation in ring lasers. This thesis contains experimental measurements of spatial hole burning and compares these with a numerically calculated theory. Also, the technique of pump beam displacement to increase the single frequency performance of end-pumped ring lasers, suffering from residual spatial hole burning, is described.Thermal effects, such as thermal lensing and thermally induced birefringence often prove to be a major limiting factor in efficient operation of high power lasers. However these effects are dependent on several factors, such as the resonator design, and the heat sinking of the laser rod. Described in this thesis are the steps we have taken to minimize these effects in the designs of the high power lasers we have constructed
Design for inclusivity : a practical guide to accessible innovative and user-centred design.
No full textA guide to inclusive design for all types of designers, providing guidelines, real examples and information sources. Inclusive design not only ensures that products, services, interfaces and environments are easier to use for those with special needs or limitations, but in doing so also makes them better for everyone. In Part 1 Design for Inclusivity, written by a team that has pioneered inclusive design practice internationally, reviews recent social trends and pressures that have pushed this subject to the fore, and assesses design responses to date in the international context. The authors make the business case for inclusive design and explain the formalisation of the approach in standards and legislation. Part 2 introduces case studies which describe transport, product, IT, housing and service projects, as well as industry-university collaborative projects, and highlight lessons that have been learned. Part 3 draws together tools, techniques and guidelines, and signposts the reader to key resources as well as offering practical advice on research methods, working with users and industry partners. The book concludes with contributions from leading design consultancies on inclusive design best practice. Contents: Introduction; Why inclusive design?, Roger Coleman, Julia Cassim, John Clarkson and Hua Dong; A growing movement, Jeremy Myerson; The business case, Roger Coleman, Alan Topalian, Hua Dong and John Clarkson; Market advantage - Practitioners' viewpoints, Hua Dong, Graham Pullin, Ingelese Nielson, Maria Benktzon, Olle Bobjer and Barry Tanner; Designer education - Case studies from graduate partnerships with industry, Julia Cassim and Hua Dong; Empowering designers and users - Case studies from the DBA Inclusive Design Challenge, Julia Cassim and Hua Dong; Involving older people in design, Alan Newell and Andrew Monk; Designer-oriented user research methods, Hua Dong, Collette Nicolle, Robert Brown and Julia Cassim; Practicalities of working with users, David Yielding and Julia Cassim; Countering design exclusion - Theory and practice, John Clarkson; Product evaluation - Practical approaches, John Clarkson, Carlos Cardoso and Ian Hosking; Using simulation in product evaluation, Carlos Cardoso and John Clarkson; Where do we find out?, Cherie Lebbon and Susan Hewer; Towards inclusion - Future challenges, Roger Coleman, Julia Cassim, John Clarkson and Hua Dong; Index. About the Author: Roger Coleman is Professor of Inclusive Design and Co-Director of the Helen Hamlyn Research Centre at the Royal College of Art. John Clarkson is director and principal investigator, and Hua Dong researcher at the Engineering Design Centre, Cambridge University. Julia Cassim is research co-ordinator on the Small Business Programme at Helen Hamlyn Centre, RCA
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