Review of the Lightning Strike Incident at Launch Complex 37 on July 27, 1967, and Comparison to a Gemini Lightning Strike

The Launch Complex 37 lightning strike of July 27, 1967, was reviewed and compared to a similar incident on the Gemini Program. Available data indicate little likelihood of damaging currents having been present in SA-204 Launch Vehicle or the ground equipment during the July 27th incident. Based on the results of subsystem and system testing after the strike, anticipated results of future testing, the six months elapsed time between the strike-and launch, and the fact that much of the critical airborne electrical/electronic equipment has been removed since the strike for other reasons, no new actions are considered necessary at this time in the Gemini case, significant failures occurred in both airborne and ground circuits. Due to the resultant semi, condlictor uncertainty, and the relatively' short time prior to planned launch, all critical airborne components containing semiconduetors were replaced, and a sophisticated data comparison task was implemented

The Case of Dinosaur Metabolism

In lieu of an abstract, here is the article\u27s first paragraph: To learn the critical skill of scientific argumentation, students need learning experiences that involve constructing evidence-based explanations. Students often struggle to propose, support, critique, refine, justify, and defend a scientific position (Llewellyn 2013). This article describes a lesson in which biology students are challenged to support their claims with evidence-based reasoning as they research the thermoregulation of dinosaurs

The Public Place of the (Neo-)Victorians

The Victorians are everywhere. Neo-Victorian adaptations of their writings, lives and culture are all around us in the contemporary marketplace. (Neo)Victorianism sells in its most popular forms, from blockbuster films, TV serialisations and bestselling novels. The public appetite for the nineteenth century and modern re-workings of it is therefore a given in a global cultural economy. How, though, do we academics engage those audiences, readers, viewers with the research on the Victorians and the neo-Victorian? What strategies might we consider to maximise the benefits, impacts and purpose of our scholarship to a society-at-large which is so attentive to creative interpretation but not necessarily critical approaches? This presentation will draw on my personal experience as a researcher in both Victorian and neo-Victorian studies. It will involve some highlights and low moments from my  own past projects engaging the public with the (neo)Victorian (be it in libraries, archives or public squares), and some suggestions for ways in which reciprocal engagement, co-production of research and the consideration of contemporary public concerns, can offer an entry point to scholarly debate. I will also draw on over five years of work as Director of Research at the UK’s Arts and Humanities Research Council, including examples from projects focussed on public engagement and partnership experience with museums, galleries, local history and community groups and organisations such as the BBC.Universidad de Málaga. Campus de Excelencia Internacional Andalucía Tech

Numerical solution of scattering problems using a Riemann--Hilbert formulation

A fast and accurate numerical method for the solution of scalar and matrix Wiener--Hopf problems is presented. The Wiener--Hopf problems are formulated as Riemann--Hilbert problems on the real line, and a numerical approach developed for these problems is used. It is shown that the known far-field behaviour of the solutions can be exploited to construct numerical schemes providing spectrally accurate results. A number of scalar and matrix Wiener--Hopf problems that generalize the classical Sommerfeld problem of diffraction of plane waves by a semi-infinite plane are solved using the approach

Short- and Long- Time Transport Structures in a Three Dimensional Time Dependent Flow

Lagrangian transport structures for three-dimensional and time-dependent fluid flows are of great interest in numerous applications, particularly for geophysical or oceanic flows. In such flows, chaotic transport and mixing can play important environmental and ecological roles, for examples in pollution spills or plankton migration. In such flows, where simulations or observations are typically available only over a short time, understanding the difference between short-time and long-time transport structures is critical. In this paper, we use a set of classical (i.e. Poincar\'e section, Lyapunov exponent) and alternative (i.e. finite time Lyapunov exponent, Lagrangian coherent structures) tools from dynamical systems theory that analyze chaotic transport both qualitatively and quantitatively. With this set of tools we are able to reveal, identify and highlight differences between short- and long-time transport structures inside a flow composed of a primary horizontal contra-rotating vortex chain, small lateral oscillations and a weak Ekman pumping. The difference is mainly the existence of regular or extremely slowly developing chaotic regions that are only present at short time.Comment: 9 pages, 9 figure

Genetical genomics dissection of cotton fiber quality

Cotton fiber is a commodity of key economic importance in both developed and developing countries. The two cultivated species, Gossypium hirsutum and G. barbadense , are tetraploid (2n=1x= 52 . 2.3 Gb). Cotton fibers are single-celled trichomes of the outermost epidermallayer of the ovule and elongate extensively to 25-50 mm. The final quality of the fiber results from complex developmentai processes and improvement of cotton fiber quality remains a challenge for many research groups worldwide. Although traditional breeding methods have proven efficient, the contribution of molecular genetics and genomic tools are gaining interest and the cotton fiber transcriptome has attracted a lot of attention in recent years. The major objective of the project (acronym Cotton_RILs) sponsored by the French National Research Agency (ANR) , is the genetic and genomic dissection of important fiber quality characteristics using a combination of classical QTL mapping and of gene expression QTL mapping. The integrated genetics and genomics approach (or genetical genomics approach) in this project is centered on a population of interspecific G. hirsutum X G. harhadense recombinant inbred lines (RILs) created by CIRAD. Specifie objectives are, 1. Construction of a saturated genetic map, 2. QTL mapping through multi-site phenotypic evaluation on 1 continents. 3. Population-wide gene expression analysis through microarray and cDNA-AFLP profilings and for 1 or 2 key developmental stages, and 4. Genetic fine mapping of selected QTLs using a large F, population. The 3 participants in the project. CIRAD (Montpellier, France) . Bayer Crop Science (Gent . Belgium). and CSIRü (Canberra , Australia) , have active research programs in applied genetics both through c1assical breeding and using modern biotechnology. Past achievements of the 3 laboratories are recognized worldwide and they are highly complementary in terms of their scientific expertise. Apart from greenhouses and biotechnology laboratories in their respective primary sites, they provide access to a broad range of field experimental sites on 4 continents, in Brazil and Cameroon through CIRAD partnerships and in the USA for Bayer CS. (Texte intégral