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The South Korean keeping Japan's top chalk from fading out | The Asahi Shimbun: Breaking News, Japan News and Analysis
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Mathematicians' chalk experiments captured as art in new book from photographer Jessica Wynne | University of Chicago News
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Hagoromo chalk: Why the demise of a Japanese company is a blow to mathematics | The Independent | The Independent
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What is the Japanese chalk that even told mathematicians that it is impossible to make a calculation error with this chalk? - GIGAZINE
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Mathematicians' chalk experiments captured as art in new book from photographer Jessica Wynne | University of Chicago News
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Lessons Learned from a Chalkboard: Slow and Steady Technology Integration (Bradley Emerling) | Larry Cuban on School Reform and Classroom Practice
Karthik 🇮🇳 on X: "Google 'chalk mathematicians' and you would stumble on the astonishing story of mathematicians obsessed with a Japanese chalk brand called Fulltouch, manufactured by Hagoromo! When Hagoromo announced that
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