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TED Talks: Season 2018

2018x78 Caroline Weaver: Why the pencil is perfect
TV-PG

  • 2018-03-15T04:00:00Z on YouTube
  • 15m
  • United States
  • English
  • Documentary
Why are pencils shaped like hexagons, and how did they get their iconic yellow color? Pencil shop owner Caroline Weaver takes us inside the fascinating history of the pencil.
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