The traveling salesman problem (TSP) is a combinatorial optimization problem that requires finding the shortest path through a set of points ("cities") that returns to the starting point. Because humans provide heuristic near-optimal solutions to Euclidean versions of the problem, it has sometimes been used to investigate human visual…

This paper offers a compilation of technologies that provides either free or low-cost solutions to the challenges of teaching online courses. It presents various teaching methods the outlined tools and technologies can support, with emphasis on fit between these tools and the tasks they are meant to serve. In addition, it highlights various…

Across the U.S., a growing number of schools are turning to ePortfolio assessment technologies to help them monitor and evaluate student progress in a variety of disciplines--and to help them and their students do even more. Across the board, educators report that their ePortfolio efforts have revolutionized the learning process, and the…