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How do erasers actually work? It’s more complicated than you think
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Pencil marks, composed of graphite flakes, adhere to paper fibers through weak van der Waals interactions. Erasers, with a higher affinity for graphite, mechanically lift and trap these flakes while also slightly abrading the paper. Unlike pencil, ink seeps into paper, requiring erasable pens to use heat-activated chemistry to render ink transparent. What's Your Reaction?
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