sorry for the posting. it was intended for marco only... -ben --<-@--<-@--<-@--<-@...--<-@--<-@ Ben Erwin Center for Engineering Educational Outreach Tufts University (617) 628-5000 x5888 berwin@tufts.edu personal (URL) with teachers (URL) with (...) (25 years ago, 4-Jan-99, to lugnet.robotics)
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