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A comment on Bye-bye blackboard. Parent comment

Re:Bye-bye blackboard by the_real_nfm on Monday September 14, 2015 @11:23AM (#10215502)
My math professors all preferred blackboards because chalk is an order of magnitude cheaper than markers. Of course, all of our classrooms had whiteboards. :)
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Re:Bye-bye blackboard by tjr on Monday September 14, 2015 @01:33PM (#10216252)
I have fond memories of my favorite math professor, always looking somewhat disheveled, and often with streaks of chalk on his clothes or in his hair. Whiteboards just aren't the same.
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