Canadian Journal of Education / Revue canadienne de l'éducation, Vol. 24, No. 4 (Autumn, 1999), pp. 426-440 (15 pages) Following Matthew Lipman (Lipman, 1991; Lipman, Sharp, & Oscanyan, 1980), we ...
New research by University at Buffalo and University of Colorado Boulder mathematicians has uncovered and characterized novel two-dimensional wave patterns — waves that propagate along two directions ...