INSPIRED by the plot in a detective novel, a student in China managed to break into a safe at school using only chalk dust to ...
Create colorful chalk art using motion, rhythm and blending techniques. James A. Schwalbach guides young viewers through a lively chalk drawing lesson inspired by motion. Learn to swing your arm, ...
When mathematics lecturer Christine Taylor asked her Math 51 students in class whether they prefer she write on chalkboards or project her lecture notes, the students were in lockstep: chalkboards are ...
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