Bostonia. Volume 22

Founded in 1900, Bostonia magazine is Boston University's main alumni publication, which covers alumni and student life, as well as university activities, events, and programs

The Confucian Renaissance in the Sung dynasty

Thesis (Ph.D.)--Boston Universit

Parallelized Rigid Body Dynamics

Physics engines are collections of API-like software designed for video games, movies and scientific simulations. While physics engines often come in many shapes and designs, all engines can benefit from an increase in speed via parallelization. However, despite this need for increased speed, it is uncommon to encounter a parallelized physics engine today. Many engines are long-standing projects and changing them to support parallelization is too costly to consider as a practical matter. Parallelization needs to be considered from the design stages through completion to ensure adequate implementation. In this project we develop a realistic approach to simulate physics in a parallel environment. Utilizing many techniques we establish a practical approach to significantly reduce the run-time on a standard physics engine

The Solomon Islands mathematics: Pedagogy in transition?

This article examines the transition of the Solomon Islands School of Education's primary and secondary mathematics education programme from a focus on content knowledge and teacher transmission, to a more activity-based, problem-solving, learner-centred approach. The ways the development team co-constructed that change so that it incorporated current mathematics education pedagogy, the Solomon Islands' Mathematics Curriculum document, and elements of Solomon Islands mathematics are described. How the team attempted to manage the dilemma between local educational imperatives and the globalisation of mathematics education is considered. Central to this are comparisons with international research on mathematics education pedagogy, while giving recognition to the situating of these within localised contexts. The article describes the ways the transition evolved, and how issues related to the change process, such as trust, culture, pedagogy and power, were engaged with, both proactively and incidentally. It will also consider lecturer/student reflection on the programme and the ways the changes may have influenced teaching. This article contends that change that is co-constructed and hinged to respectful partner relationships, will lead to greater participant autonomy and enhance the sustainability of the change. Finally, it poses questions that require subsequent examination for the transition to be sustainable

Indirect observation of phase conjugate magnons from non-degenerate four-wave mixing

A phase conjugate mirror utilising four-wave mixing in a magnetic system is experimentally realised for the first time. Indirect evidence of continuous-wave phase conjugation has been observed experimentally and is supported by simulations. The experiment utilizes a pump-probe method to excite a four-wave mixing process. Two antennae are used to pump a region of a thin-film yttrium iron garnet waveguide with magnons of frequency $f_{1}$ to create a spatio-temporally periodic potential. As the probe magnons of $f_{\mathrm{p}}$ impinge on the pumped region, a signal with frequency $f_{\mathrm{c}} = 2f_{1}-f_{\mathrm{p}}$ is observed. The amplitude of the nonlinear signal was highly dependent on the applied magnetic field $H$. Width modes of the probe magnons and standing wave modes of the pump magnons were shown to affect the amplitude of the signal at $f_{\mathrm{c}}$. Experimental data is compared with simulations and theory to suggest that $f_{\mathrm{c}}$ is a phase conjugate of $f_{\mathrm{p}}$.Comment: 6 pages, 6 figure

A new method of determining iron, nitrites, etc.

Citation: Calvin, John Willard. A new method of determining iron, nitrites, etc.. Senior thesis, Kansas State Agricultural College, 1906.Morse Department of Special CollectionsIntroduction: In the experiments reported below an effort was made to determine substances such as ferrous iron, nitrites, etc., that reduce hydrogen peroxide quantitatively, by titrating them directly against a standard solution of hydrogen peroxide, using a titanium solution as an indicator. It was to determine whether or not it is possible to use a titanium solution as an indicator to show when the oxidation is complete, that the experiments were taken up. The fact that a yellow or orange color is produced when hydrogen peroxide is added to a titanium solution, was discovered by Schonn, and has long been known as a delicate test for both hydrogen peroxide and titanium. Although this reaction has been known about thirty years, in examining the literature on the subject, very little is found. In the Journal of the Chem. Soc., 1874, the yellow or orange color formed when a solution of titanium, made by digesting titanium oxide in concentrated sulphuric acid, is added to a solution of hydrogen peroxide, is given as a delicate test for the latter. In the Chemical News, Vol. 47, Edward Jackson gives an article in which he says in substance, if hydrogen peroxide is added to a solution of the chloride or sulphate of titanium, a fine yellow color is formed which is a delicate test for both the peroxide and titanium; the test being so delicate that 1 50,000th part of titanium or 1 25,000th part of hydrogen peroxide is sufficient to produce the color. In an abstract in the Journal of the Chem. Soc. from the Ber. d. Deutsch Chem. Ges., 1882, Weller gives a method of determining small amounts of titanium colorunetrically by means of the yellow color produced when hydrogen peroxide is added to the solution of titanium. The color produced in the unknown solution is compared with that produced by a standard solution made by dissolving pure potassium titanofluoride

A study of the effects of public relations programs on the development of irrigation

Thesis (M.S.)--Boston Universit

A Study of the Physical Education and Recreation Activities of the West Dallas Community as Determined by Statistical and Socio-Economic Survey

The Problem A determination of the needs for an extended recreational activity program for the citizens living in the West Dallas Community. Need For The Study In 1964, when the L. G. Pinkston Senior High School was opened, a community survey was initiated by Dr. Thomas Tolbert, Principal, who said, To have a most effective philosophy of education and a meaningful program of studies, we should not only become acquainted with the student while he is at school, but we should take advantage of the opportunity to become acquainted with the total community. As a result of this study we were able to proceed with the business of projecting both curricular and extra-curricular activities for the school and community. It is our belief that to be effective, a recreational program must absorb the leisure time of the citizens of the community. Our modern environment requires recreation, correction of harmful amusements, a lessening of crime and delinquency, and an improvement in public health and community conditions. Purpose Of The Study Because of the apparent need for organized recreational activities in West Dallas, we set forth to 1. study the kinds of work the people are engaged in; 2. analyze the community housing problems and the number of undesirable places at which the citizens spend their leisure time; and to 3. encourage the play and recreational activities by choosing those activities which will meet the needs and interests of the community as well as those that benefit the group socially, mentally and physically, thus helping the community to be a desirable place in which to live

The Nipmucks and Their Country

https://digicom.bpl.lib.me.us/books_pubs/1084/thumbnail.jp