Simple measurements of the decay time of cathodoluminescence are described. Cathodoluminescence is used in many devices, including computer monitors, oscilloscopes, radar displays and television tubes. The experimental setup is simple and easy to build. Two oscilloscopes, a function generator, and a fast photodiode are needed for the experiments.…

Recent developments in Information and Communication Technologies (ICTs), especially eLearning, have heightened the need for University of Dar es Salaam (UDSM) to supplement on-campus face-to-face delivery as well as meeting increased students' enrolments through blended distance learning. Since 2008, the University has been offering three…

Copyright is essential to a diverse and rich culture. Yet the platform--the technology--through which individuals get access to their culture has changed radically. The existing system of copyright thus cannot work in the digital age and needs also to be changed, radically. In this article, the author shares three observations on the way to…

In this research, the author focuses on the contemporary culture of obsolescence. The topic has a specific relevance to recent transformations in photographic education as well as the emerging research environment in art production. Language and technology, cognition and consciousness and the sense of experience that is constituted by subjects and…

People expected technology educators to be well informed about current events in all areas of technology. As it turns out, they often turn to them for advice outside their subject areas. High-definition television (HDTV) may be such a subject for many of them. In this article, the author provides some information on high-definition television and…

Recent state and national policy has both reflected and helped to further an image of localities as parochial, reactionary, ineffective, and appropriately marginalized in the enterprise of school reform. Growing state and national roles (on one hand) and growing market and private sector inroads (on another) have the potential to undermine…

Manuscripts, archives, and early printed books contain a documentary record of the foundations of human knowledge. Many elements restrict access to this corpus, from preservation concerns to censorship. On the assumption that the widespread availability of knowledge benefits the human condition more than the restriction of knowledge, elements…

A look at the courses and measurement of obsolescence is presented, along with a discussion of career development to combat it. (BB)

In the 1970s, the movement to the metric system (which has still not completely occurred in the United States) and the advent of hand-held calculators led some to speculate that decimal representation of numbers would render fractions obsolete. This provocative proposition stimulated Zalman Usiskin to write "The Future of Fractions" in 1979. He…

The Peter Principle" is delightful reading particularly for the obsolete or near obsolete person who wants a reassuring palliative for the expedient batch of obsolete practices for which he has opted. (Author/NL)

It has been suggested that older workers may be particuarly vulnerable to the obsolescence process. One definition of obsolescence directly implies that the obsolescence construct is a function of two elements, the job and the person. New technologies, new products, and new methods and procedures can result in job changes which in turn can compel…

Here the year by year issue of U.S. patents since 1836 is used to correct for growth their apparent aging, as obtained by a synchronous study of citations made by (a) U.S. patent examiners and (b) periodicals. Apparent and corrected aging are treated in terms of conditional probabilities. (Author)

An audiovisual specialist encourages making decorations out of obsolete pieces of audiovisual equipment such as victrolas and old cameras. Included are six illustrations of "attractive show-pieces which add to the pleasing environment of my office." (Author/LS)

Describes how colleges are struggling with the disposal of their outdated mainframes. (EV)

Adults must continue to learn. The accelerating pace of cultural change has made today's knowledge and skills tomorrow's obsolescence. A society that makes its educational investment almost entirely in children and youth is on the way to becoming obsolete and is reducing its survival chances. To promote the cause of lifelong learning, we need to…