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Search Results: 1 - 10 of 20702 matches for " James Hough "
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The Play Was Always the Thing: Drama’s Effect on Brain Function  [PDF]
Brian H. Hough, Sigmund Hough
Psychology (PSYCH) , 2012, DOI: 10.4236/psych.2012.36064
Abstract: The brain is a mysterious canvas of actualized and unrealized possibilities. As Diane Ackerman notes, “…each person carries around atop the body a complete universe in which trillions of sensations, thoughts, and desires stream.” Brain science remains uncharted territory despite the significant efforts that have been and are being realized to better understand brain and behavior. More than mere coincidence or happenstance, plays like Shakespeare’s famous “Romeo and Juliet” with great storylines, brilliant costumes, and emotional stimulation continue to survive for ages based upon pure artistic excellence that engages the audience in a unique manner. There is a need to more fully understand how our brains process drama and the manner in which like versus dislike are decided. Most important is the factor of longevity and what makes the appealing quality of drama survive over years across cultural and generational shifts. To speak to this question, drama has been shown to have impressive effects on brain activation but remains conservative in highlighting potentially profound implications. Drama has advantageous benefits to health as well as to essential activities such as learning and personal growth. Drama should not remain underrated in terms of its influence on brain function and the relationship between environment and brain.
Gravitational Wave Detection by Interferometry (Ground and Space)
Matthew Pitkin,Stuart Reid,Sheila Rowan,James Hough
Living Reviews in Relativity , 2011,
Abstract: Significant progress has been made in recent years on the development of gravitational-wave detectors. Sources such as coalescing compact binary systems, neutron stars in low-mass X-ray binaries, stellar collapses and pulsars are all possible candidates for detection. The most promising design of gravitational-wave detector uses test masses a long distance apart and freely suspended as pendulums on Earth or in drag-free spacecraft. The main theme of this review is a discussion of the mechanical and optical principles used in the various long baseline systems in operation around the world - LIGO (USA), Virgo (Italy/France), TAMA300 and LCGT (Japan), and GEO600 (Germany/U.K.) - and in LISA, a proposed space-borne interferometer. A review of recent science runs from the current generation of ground-based detectors will be discussed, in addition to highlighting the astrophysical results gained thus far. Looking to the future, the major upgrades to LIGO (Advanced LIGO), Virgo (Advanced Virgo), LCGT and GEO600 (GEO-HF) will be completed over the coming years, which will create a network of detectors with the significantly improved sensitivity required to detect gravitational waves. Beyond this, the concept and design of possible future "third generation" gravitational-wave detectors, such as the Einstein Telescope (ET), will be discussed.
Remote Sensing of Chiral Signatures on Mars
William Sparks,James H. Hough,Thomas A. Germer,Frank Robb,Ludmilla Kolokolova
Physics , 2012, DOI: 10.1016/j.pss.2012.08.010
Abstract: We describe circular polarization as a remote sensing diagnostic of chiral signatures which may be applied to Mars. The remarkable phenomenon of homochirality provides a unique biosignature which can be amenable to remote sensing through circular polarization spectroscopy. The natural tendency of microbes to congregate in close knit communities would be beneficial for such a survey. Observations of selected areas of the Mars surface could reveal chiral signatures and hence explore the possibility of extant or preserved biological material. We describe a new instrumental technique that may enable observations of this form.
Investigation of the Young's modulus and thermal expansion of amorphous titania-doped tantala films
Matthew R. Abernathy,James Hough,Iain W. Martin,Sheila Rowan,Michelle Oyen,Courtney Linn,James E. Faller
Physics , 2014, DOI: 10.1364/AO.53.003196
Abstract: The current generation of advanced gravitational wave detectors utilize titania-doped tantala/silica multilayer stacks for their mirror coatings. The properties of the low-refractive-index silica are well known; however, in the absence of detailed direct measurements, the material parameters of Young's modulus and coefficient of thermal expansion (CTE) of the high refractive index material, titania-doped tantala, have been assumed to be equal to values measured for pure tantala coatings. In order to ascertain the true values necessary for thermal noise calculations, we have undertaken measurements of Young's modulus and CTE through the use of nanoindentation and thermal-bending measurements. The measurements were designed to assess the effects of titania doping concentration and post-deposition heat-treatment on the measured values in order to evaluate the possibility of optimizing material parameters to further improve thermal noise in the detector. Young's modulus measurements on pure tantala and 25% and 55% titania-doped tantala show a wide range of values, from 132 to 177 GPa, dependent on both titania concentration and heat-treatment. Measurements of CTE give values of (3.9 +/- 0.1) x 10^-6 K^-1 and (4.9 +/- 0.3) x 10^-6 K^-1 for 25% and 55% titania-doped tantala, respectively, without dependence on post-deposition heat-treatment.
Violent protest at local government level in South Africa: Revolutionary potential?
M Hough
Scientia Militaria: South African Journal of Military Studies , 2008,
Abstract: In this article, a broad overview of the main causes and theories of revolution is presented. The objective is to obtain, by analysing recent events in South Africa pertaining to the ongoing protest actions over service delivery at local government level, some indication of revolutionary potential in South Africa. In this regard, there seem to be two basic views, namely on the one hand, that violent protest action at local level can lead to revolutionary activity, and on the other hand, that the protest can be contained but aspects of policy will have to be adapted. Scientia Militaria: South African Journal of Military Studies Vol. 36 (1) 2008: pp. 1-14
A rational approach to the treatment of osteoporosis
S Hough
South African Family Practice , 2007,
Abstract: Osteoporosis is a common, costly and serious disease. The life-time risk of an osteoporotic fracture in Caucasian women approximates 50%. Epidemiologic fracture data in South Africa are limited, but the incidence of osteoporosis appears to be similar in white, Indian and mixed ancestry (Coloured) females. South African Family Practice Vol. 49 (9) 2007: pp. 26-34
Editorial Strontium ranelate in the treatment of osteoporosis
Stephen Hough
Journal of Endocrinology, Metabolism and Diabetes of South Africa , 2006,
Abstract:
VIOLENT PROTEST AT LOCAL GOVERNMENT LEVEL IN SOUTH AFRICA: REVOLUTIONARY POTENTIAL?
Mike Hough
Scientia Militaria : South African Journal of Military Studies , 2011, DOI: 10.5787/36-1-41
Abstract: In this article, a broad overview of the main causes and theories of revolution is presented. The objective is to obtain, by analysing recent events in South Africa pertaining to the ongoing protest actions over service delivery at local government level, some indication of revolutionary potential in South Africa. In this regard, there seem to be two basic views, namely on the one hand, that violent protest action at local level can lead to revolutionary activity, and on the other hand, that the protest can be contained but aspects of policy will have to be adapted.
The angle of large values of $L$-functions
Bob Hough
Mathematics , 2013,
Abstract: We prove omega results for the central value of $L$-functions with the further condition that the angle is also constrained.
Mixing and cut-off in cycle walks
Bob Hough
Mathematics , 2015,
Abstract: Given a sequence $(\mathfrak{X}_i, \mathscr{K}_i)_{i=1}^\infty$ of Markov chains, the cut-off phenomenon describes a period of transition to stationarity which is asymptotically lower order than the mixing time. We study mixing times and the cut-off phenomenon in the total variation metric in the case of random walk on the groups $\mathbb{Z}/p\mathbb{Z}$, $p$ prime, with driving measure uniform on a symmetric generating set $A_p \subset \mathbb{Z}/p\mathbb{Z}$.
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