Writing With Sliding Crystal Sheets
8:48–9:08 · 20s
Chemist Joya Cooley reveals that pencil marks are actually layers of graphite crystals sliding onto paper, turning an everyday act into mind-blowing science.
8:48–9:08 · 20s
Chemist Joya Cooley reveals that pencil marks are actually layers of graphite crystals sliding onto paper, turning an everyday act into mind-blowing science.
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