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What kind of board chalk is this? |
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| Jun8-12, 05:40 PM | #1 |
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What kind of board chalk is this?
In the following MIT video, some kind of thick chalk (not sidewalk, already tried it) is used in the lecture:
http://ocw.mit.edu/courses/mathemati...ture-2-limits/ It looks like great chalk. Or what chalk is this easy to write with? |
| Jun8-12, 05:49 PM | #2 |
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didn't look at video, but:
http://www.amazon.com/Liquid-Chalk-B.../dp/B004IM79HI coffee shops use this kind of chalk a lot because it allows them more control when drawing pretty menus on blackboards. |
| Jun8-12, 05:55 PM | #3 |
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Thanks for the suggestion. I have to erase a board probably 10 times a lecture, so wiping it down with water will not work well for me.
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