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A comment on Mathematicians Are Hoarding a Type of Japanese Chalk. Parent comment

Re:Mathematicians Are Hoarding a Type of Japanese Chalk by 2muchcoffeeman on Tuesday June 16, 2015 @12:03AM (#9723752)
What's on the back of the whiteboard? Can you flip it over and paint it with blackboard paint?
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Re:Mathematicians Are Hoarding a Type of Japanese Chalk by McElroy on Tuesday June 16, 2015 @03:09AM (#9724209)
TIL it'l not so hard to make your own blackboard. http://thedecorologist.com/dont-use-chalkboard-and-magnetic-...
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Re:Mathematicians Are Hoarding a Type of Japanese Chalk by speeder on Tuesday June 16, 2015 @03:14AM (#9724222)
Where I live whiteboards are usually made of plastic, and blackboard of wood or painted directly on the wall.
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