President Chester A. Arthur
Chester A. Arthur, America's twenty-first president, served from 1881 to 1885. Although Arthur was a Vermont-native, he exuded the presence of a New Yorker. In 1880, Arthur was elected Vice President. This is a video that explains his character and shortcomings.
Color Changing Milk Science Experiment
Shows how dishsoap in milk and food coloring can create designs, but also scientific principles as fat in milk reacts to liquid soap. A science fair possibility. From Steve Spangler Science. Run time 03:27.
Columns: Experimenting with Balloons
If you were in search of a good building column, a balloon probably wouldn't be your first choice. Still, if you were in a pinch, you might be surprised at the strength of several balloons lying side by side. In this video segment adapted from ZOOM, three cast members test how many balloons are needed to support a person's weight. Closed captioning included. Run time 04:38.
Columns: Experimenting with Paper Cups
Columns, vertical structural elements that are strong in compression, are good at propping things up. In this video segment adapted from ZOOM, the cast uses paper cups to illustrate what makes columns strong and why they sometimes collapse. By filling the cups with sand, they also show that even hollow columns of a weak material like paper can be made surprisingly strong. Closed captioning included. Run time 03:03.
Columns: Finding the Strongest Shape
The shape of a structure and its parts is often as important as the materials those parts are made of. In this video segment adapted from ZOOM, members of the cast bend and fold sheets of paper to see which shape is the strongest and will support the weight of a heavy book. Closed captioning included. Run time 03:33.
Columns: Hillary's Neighborhood
In this video segment from ZOOM, Hillary, from Randolph, MA, proves she knows a thing or two about columns. She identifies their structural components, explains how and where they are used, and encourages viewers to look around their own communities for columns. If they're anything like her town, columns are everywhere! Closed captioning included. Run time 0:52.
Indra Swallowtail Butterfly Pupation Time Lapse Documentary
A very close-up look at the pupation process of the Indra Swallowtail (subspecies phyllisae), accompanied by still images of the adult and larvae. Pretty amazing time lapsed footage as the process is repeated 4 times. Set to music. Run time 02:28.
Help Session 03 - 11/14/2010
Help Session 03
Lecture 22 - 11/12/2010
A Design Approach to Research in Technology Enhanced Mathematics Education
This thesis explores the prospect of a design science of technology enhanced mathematics education (TEME), on three levels: epistemological, methodological and pedagogical. Its primary domain is the identification of scientific tools for design research in TEME. The outputs of this enquiry are evaluated by a demonstrator study in the domain of secondary school mathematics. A review of existing literature establishes a need for a design perspective in TEME research, but at the same time suggests
Etude de connaissances d'élèves de seconde sur les mutations génétiques.
L'ADN est une notion qui pose problème aux élèves de lycée aussi nous nous proposons d'identifier et de classer les conceptions des élèves sur ce sujet. Pour cette analyse, nous avons utilisé la notion de mutation, qui permet d'étudier à la fois, comme nous le souhaitions, la structure et la fonction de l'ADN. Après avoir effectué une étude bibliographique et une analyse du savoir, nous avons cherché à vérifier l'existence de six niveaux biologiques dans les productions des élèv
Lecture 37 - 11/29/2010
Towards an organisational model of interface
university structure as a means of serving Lifelong
The paper conceptualises on the experiences of the Centre of Information Society Technologies (CIST), Sofia University, Bulgaria, in serving the learning and training needs of non-university audiences who fall in situations that can be described as lifelong learning-determined. In developing this conceptualisation we use the research findings and policy agendas in two distinct areas Lifelong Learning, and Higher Education Systems. More specifically we explore the organisational and management
A Model for Strengthening the Software Engineering Research
Like all other New Member States (NMS) Bulgaria is experiencing a dramatic change in all areas of its society. These changes reflect very seriously on the research capacity of the country and, in particular to Sofia University (SU). The Faculty of Mathematics and Informatics (FMI) has experienced some serious problems closely related to the general socio-economic and the research environment in Bulgaria. This paper describes a model for strengthening the research capacity of FMI, especially the
Intimate Partner Violence on Campus: A Test of Social Learning Theory
The current study sought to examine the theoretical field of intimate partner and domestic violence research. The research focused on integrated social learning, power-control, and fundamental components of intergenerational transmission and male-support theories. The use of the Conflict Tactic Scale (CTS 2), Seller’s (2003) social learning subscale, and a combination of measures of power-control theory were used to determine the relative strength of learning, power, and male social networks i
Modeling of the research and education strategy in Faculty of Mathematics and Informatics, Sofia Uni
The efficient and effective university education system is a huge benefit for individuals and for the community. The competences, innovation, and creativity developed through academic education are a major factor in the success in creating jobs and in our prosperity. As Bulgaria join EU community, it has the opportunity to act on the competition challenges and set the economy on a higher growth path. EC and World Bank proposes a strong reform agenda focused on five areas to narrow the income, pr