In his 1978 Millikan lecture on Interactive Learning, Alfred Bork discussed eleven different modes of computer use in physics education. This paper converts Bork’s modes into challenges to the computers in physics education community and evaluates our progress since 1978. It concludes with a brief discussion of future challenges. Alfred Bork, professor of physics at the University of California...

In a column whose chosen focus is on ‘business’ and ‘health care in Canada’, we would be remiss to overlook Valeant. The complex narrative of this precipitous fall is just so rich with fodder. While each step in the saga could serve as a springboard for discussion (mergers and acquisitions, short-seller attacks, senate investigations, price gouging, questionable accounting practices, hedge fund...

We will exaiuiue the hopes arid dreams of a decade ago wlreu there was a lot of exciteiueiit in the COIIIIIIUiiity about what could be accomplished with niodelbased visioii ill robotics. Mauy of those dreams have iiot yet materialized because of a lack of availability of “visioil“ itiodcls (as opposed to CAD models): difficulty of coiistructiug vision models, iuadequate robustness of model-base...

Esfinge is a general domain Portuguese question answering system which uses the information available on the Web as an additional resource when searching for answers. Other external resources and tools used are a broad coverage parser, a morphological analyser, a named entity recognizer and a Web-based database of word co-occurrences. In this fourth participation in CLEF, in addition to the new...

e are told from the beginning of our studies that Wthe optimal paradigm for scientific investigation is the proposition and then testing of hypotheses. Inherent in this concept is the recognition that science is the pursuit of transient truth. What we believe is true today based on the best present knowledge, may be found incorrect, or at least not entirely correct, tomorrow based on newer reve...