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How does an eraser erase?
Manage episode 268446389 series 2328834
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Even though erasing a line drawn on our book seems to be so simple, there is actually a science behind how erasers erase. Early stages, erasers where invented to erase the mistakes made with a pencil but later they have to invent abrasive ink erasers as using of pen rose among people. In today's episode I'll explain in detail how eraser is formed, what are the materials used for the production of an eraser and also I'll discuss the science of erasing.
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