Spectrum: an educational computer game This article has been downloaded from IOPscience. Please scroll down to see the full text article. 1993 Phys. Educ. 28 215 (http://iopscience.iop.org/0031-9120/28/4/004) Download details: IP Address: 216.47.136.20 The article was downloaded on 11/06/2013 at 23:36 Please note that terms and conditions apply. View the table of contents for this issue, or go to the journal homepage for more Home Search Collections Journals About Contact us My IOPscience